NHTSA Interpretation File Search
Overview
NHTSA's Chief Counsel interprets the statutes that the agency administers and the standards and regulations that it issues. Members of the public may submit requests for interpretation, and the Chief Counsel will respond with a letter of interpretation. These interpretation letters look at the particular facts presented in the question and explain the agency’s opinion on how the law applies given those facts. These letters of interpretation are guidance documents. They do not have the force and effect of law and are not meant to bind the public in any way. They are intended only to provide information to the public regarding existing requirements under the law or agency policies.
Understanding NHTSA’s Online Interpretation Files
NHTSA makes its letters of interpretation available to the public on this webpage.
An interpretation letter represents the opinion of the Chief Counsel based on the facts of individual cases at the time the letter was written. While these letters may be helpful in determining how the agency might answer a question that another person has if that question is similar to a previously considered question, do not assume that a prior interpretation will necessarily apply to your situation.
- Your facts may be sufficiently different from those presented in prior interpretations, such that the agency's answer to you might be different from the answer in the prior interpretation letter;
- Your situation may be completely new to the agency and not addressed in an existing interpretation letter;
- The agency's safety standards or regulations may have changed since the prior interpretation letter was written so that the agency's prior interpretation no longer applies; or
- Some combination of the above, or other, factors.
Searching NHTSA’s Online Interpretation Files
Before beginning a search, it’s important to understand how this online search works. Below we provide some examples of searches you can run. In some cases, the search results may include words similar to what you searched because it utilizes a fuzzy search algorithm.
Single word search
Example: car
Result: Any document containing that word.
Multiple word search
Example: car seat requirements
Result: Any document containing any of these words.
Connector word search
Example: car AND seat AND requirements
Result: Any document containing all of these words.
Note: Search operators such as AND or OR must be in all capital letters.
Phrase in double quotes
Example: "headlamp function"
Result: Any document with that phrase.
Conjunctive search
Example: functionally AND minima
Result: Any document with both of those words.
Wildcard
Example: headl*
Result: Any document with a word beginning with those letters (e.g., headlamp, headlight, headlamps).
Example: no*compl*
Result: Any document beginning with the letters “no” followed by the letters “compl” (e.g., noncompliance, non-complying).
Not
Example: headlamp NOT crash
Result: Any document containing the word “headlamp” and not the word “crash.”
Complex searches
You can combine search operators to write more targeted searches.
Note: The database does not currently support phrase searches with wildcards (e.g., “make* inoperative”).
Example: Headl* AND (supplement* OR auxiliary OR impair*)
Result: Any document containing words that are variants of “headlamp” (headlamp, headlights, etc.) and also containing a variant of “supplement” (supplement, supplemental, etc.) or “impair” (impair, impairment, etc.) or the word “auxiliary.”
Search Tool
NHTSA's Interpretation Files Search
| Interpretations | Date |
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ID: 12090.jegOpen Mr. Michael Ostrowski Dear Mr. Ostrowski: This responds to your faxed letter concerning Federal Motor Vehicle Safety Standard No. 105, Hydraulic Brake Systems. You asked us to "evaluate the brake system design of 1987-1990 Range Rovers" for compliance with that standard. More specifically, you provided diagrams of a brake system design for those vehicles and asked whether the design came within the standard's definition of "split service brake system." By way of background information, the National Highway Traffic Safety Administration does not approve motor vehicles or motor vehicle equipment. Under 49 U.S.C. Chapter 301, it is the responsibility of the manufacturer to certify that its vehicles or equipment comply with applicable standards. Moreover, NHTSA cannot, outside the context of a compliance proceeding, make a determination of whether particular vehicles fail to comply with a Federal motor vehicle safety standard. I can, however, discuss Standard No. 105's definition of "split service brake system" in the context of the diagrams you provided. As discussed below, the brake system for which you provided diagrams appears to come within that definition. The term "split service brake system" is defined in S4 as "a brake system consisting of two or more subsystems actuated by a single control designed so that a leakage-type failure of a pressure component in a single subsystem (except structural failure of a housing to two or more subsystem) shall not impair the operation of any other subsystem." As we understand the diagrams, the brake system at issue has two subsystems. The first subsystem, which we will refer to as Subsystem 1, is identified as the "primary hydraulic circuit." The second subsystem, which we will refer to as Subsystem 2, is identified as the "secondary hydraulic circuit." Subsystem 2 includes the hydraulic lines and components exiting the master cylinder which activate the aft piston in each front brake caliper, and one piston in each rear brake caliper. Subsystem 1 includes the hydraulic lines and components exiting the master cylinder which activate one forward piston in each front brake caliper. Based on our understanding of the diagrams, a leakage-type failure in Subsystem 1 does not impair the operation of Subsystem 2, or vice-versa. Therefore, the brake system appears to come within the standard's definition of "split service brake system" In your letter, you state that a leak in either rear hydraulic line impairs the front brakes, since a portion of front brake effectiveness is also lost. While this is correct, it does not mean that the brake system is not a split service brake system within the meaning of Standard No. 105, because the front and rear brakes are not the two "subsystems" for this brake system. I note that the standard does not require any particular kind of split service brake system, such as a front/rear system. (In a front/rear split service brake system, a leak in the rear system would not impair the front system.) The standard does, however, require vehicles to meet stopping distance requirements with a leakage failure in either subsystem. However, you have not provided any information indicating that the vehicles could not meet those stopping distance requirements with a failure in Subsystem 2. You also raised a number of other concerns about the brake systems on 1987-1990 Range Rovers, including the number of owner complaints. We understand that our Offices of Vehicle Safety Compliance and Defects Investigation have been discussing those issues with you. If you have further questions about this interpretation, please contact Edward Glancy of my staff at (202) 366-2992. Sincerely, John Womack ref:105 |
1996 |
ID: 86-5.23OpenTYPE: INTERPRETATION-NHTSA DATE: 09/22/86 FROM: AUTHOR UNAVAILABLE; Erika Z. Jones; NHTSA TO: Mr. T.E. McConnell TITLE: FMVSS INTERPRETATION TEXT:
Mr. T. E. McConnell Prince Lionheart 2301 Cape Cod Way Santa Ana, CA 92703
Dear Mr. McConnell:
Thank you for your letter of July 31, 1986, inquiring about the Federal safety standards that apply to roll-up window shades designed to be attached to a vehicle's window by suction cups. The following discussion explains how our safety standards apply to your products.
Some background information on how Federal Motor Vehicle Safety laws and regulations affect your product may be helpful. Our agency is authorized, under the National Traffic and Motor Vehicle Safety Act, to issue safety standards applicable to new motor vehicles and certain items of motor vehicle equipment. NHTSA, however, does not approve motor vehicles or motor vehicle equipment, nor do we endorse any commercial products. Instead the Vehicle Safety Act establishes a "self-certification" process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards The agency periodically tests vehicles and equipment items for compliance with the standards, and also investigates other alleged safety-related defects. As explained below, installation of products in new and used vehicles would be affected by our regulations. In addition, any manufacturer of motor vehicle equipment is subject to the requirements of the Vehicle Safety Act concerning the recall and remedy of products with noncompliances or defects related to motor vehicle safety. We have issued Federal Motor Vehicle Safety Standard No. 205, Glazing Materials, which specifies performance and location requirements for glazing used in vehicles. These requirements include specifications for minimum levels of light transmittance (70% in areas requisite for driving visibility, which includes all windows in passenger cars).
No manufacturer or dealer is permitted to install solar films and other sun screen devices, such as the ones described in your letter, in new vehicles without certifying that the vehicle continues to be in compliance with the light transmittance and other requirements of the standard. After a vehicle is first sold to a consumer, modifications to a vehicle are affected by section 108(a) (2) (n) of the Vehicle Safety Act. That section prohibits commercial businesses from tampering with safety equipment installed on a vehicle in compliance with our standards. Thus, no dealer, manufacturer, repair business or distributor can install a sun screen device for the owner of the vehicle, if the device would cause the window not to meet the requirements of Standard No. 205. Violation of section 108(h) (2) (A) can result in Federal civil penalties of up to $1,000 for each violation.
Section 108 (6)( 2) (A) does not affect vehicle owners who may themselves alter their vehicles as they please, so long as they adhere to all State requirements. Under Federal law, the owner may install sun screening devices regardless of whether the installation adversely affects the light transmittance. The agency, however, urges vehicle owners not to take actions that would degrade the performance of required safety features. Individual States govern the operational use of vehicles by their owners and therefore it is within the authority of the States top preclude owners from using sun screens in their vehicles.
I am returning, under separate cover, the two samples of your product you provided the agency. If you need further information, please let me know.
Sincerely,
Erika Z. Jones Chief Counsel
July 31, 1986
Office of Chief Counsel NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION U.S. Department of Transportation 400 Seventh Street S.W. Washington. D.C. 20590
Dear Sir:
Mr. Ralph Hitchcock of the NHTSA Rule Making Office referred me to the Office of Chief Counsel in my effort to obtain a determination that PRINCE LIONHEART'S BABYBRELLAtm and sUNBRELLAtm roll-up automobile window shades are in compliance with all State and Federal laws regarding window coverings.
I am enclosing a sample BABYBRELLAtm and a packaged sUNBRELLA for your reference. The package for the BABYBRELLAtm is identical to that of the sUNBRELLAtm except for the name and logo. Please note that the shade, itself, does not come in contact with the window's surface and it's roll-up feature allows it to be easily raised for driving at night or on cloudy days. We have found these items to be extremely useful in protecting a car's occupants from sun, heat and glare while providing a safe alternative to sheets and towels which many people use to protect themselves and their children from the sun.
I will appreciate your prompt response to this request and please feel free to call the undersigned should any questions arise. Very truly yours,
T.E. McConnell PRINCE LIONHEART
TEM/pd encl. |
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ID: nht87-1.16OpenTYPE: INTERPRETATION-NHTSA DATE: 01/12/87 FROM: AUTHOR UNAVAILABLE; Erika Z. Jones; NHTSA TO: Donald P. Weiher -- Dirctor, Product Assurance, LTV Aerospace and Defense Company, AM General Division TITLE: FMVSS INTERPRETATION TEXT: Mr. Donald P. Weiher Director-Product Assurance LTV Aerospace and Defense Company AM General Division P.O. Box 3330 Livonia, MI 48151-3330
This is in reply to your letter of September B, 1986, to Mr. Oesch of this Office asking whether certain military vehicles are "motor vehicles" for purposes of notification and remedy in the event they are discovered to have safety related defects. Based on the information your letter provides, we must conclude that the tactical military vehicles in question are motor vehicles within the meaning of section 102 (3) of the Safety Act, 15 U.S.C. 1391 (3), and that they are subject to the defect notifi cation and remedy provisions of the Act, although, as military vehicles they are exempt from compliance with Federal Motor Vehicle Safety Standards. You have described the vehicles in question as "all tactical vehicles designed for cross-country (40%), secondary (30%) and primary (30%) roads." Such vehicles include the M998 Series 1 1/4 ton truck, and other tactical military trucks such as the 2 1/2 ton M44 Series and the 5-ton M809 and M939 Series. You have noted that the Office of Defects Investigation has previously assigned campaign numbers for safety related defects on similar tactical military vehicles. You have also noted the agency's 1969 in terpretation on mini-bikes states, as you have quoted it, that "in the absence of clear evidence that, as a practical matter a vehicle is not being, or will not be, used on the public streets, roads, and highways the operating capability of a vehicle is the most relevant fact in determining whether that vehicle is a motor vehicle." Under the information you have presented, the tactical military trucks are designed to be used 60% of the time on primary and secondary public roads. In our view, they must then be considered as having been designed primarily for use on the public roads, and hence, "motor vehicles" under the Act.
We have conferred with our Office of Defects Investigation, and it appears to us that when that office responded to your inquiries on February 19 and March 5, 1986, it acted in the belief that the vehicles in question are intended primarily for off road use and that they lack an operating capability for substantial on road use. The fact that the vehicles are intended for use on roads 60 percent of the time indicates operating capability for such use. We hope that this clarifies the status of these vehicles with respect to the definition of "motor vehicle" contained in the Act. We appreciate your having requested this further consideration of this question. If you have further questions concerning thi s matter, please contact Mr. Taylor Vinson, an attorney in this office who can be reached by telephone at (202) 366 5263. Sincerely, Erika Z. Jones Chief Counsel September 8, 1986 Mr. Steven Oesch Office of the Chief Counsel National Highway Traffic Safety Administration 400 Seventh Street, S.W. Washington, D.C. 20590 - PETITION - Dear Mr. Oesch: Please provide concurrence with the attached interpretations from Mr. Philip W. Davis, Director, Office of Defects Investigation/Enforcement regarding military vehicles "not manufactured primarily for highway use." A generalization would be that all tactical vehicles designed for cross-country (40%), secondary (30%) and primary (30%) roads such as the subject M998 Series 1 1/4 Ton Trucks (a.k.a. HUMM-V) would all be exempt by virtue of not being "manufactured prima rily for highway use" and therefore not considered to be a "MOTOR VEHICLE under the provisions of the National Traffic and Motor Vehicle Safety Act. (Title I, Part A, Sec. 102(3) Interpretation).
Our previous verbal direction from your office had been that although these vehicles may be exempt from compliance with the safety standards (Ref. 571.7(c) enclosed), they are not exempt from the Safety Act or the Regulations, further the enclosed interp retations dated October 3, 1969, 34 F.R. 15416 and published under Part 571.3 "Definitions" state "that in the absence of clear evidence that as a practical matter a vehicle is not being, or will not be, used on the public streets, roads or highways the operating capability of a vehicle is the most relevant fact in determining whether or not that vehicle is a motor vehicle under the act", leaves us confused. Since the Office of Defects Investigation has previously assigned campaign numbers for safety re lated defects on similar tactical military vehicles, we solicit your official interpretation and guidance regarding safety related defects on tactical military trucks, such as the noted 1 1/4 Ton M998 Series, the 2 1/2 Ton M44 Series and the 5-Ton M809 a nd M939 Series. Sincerely, Donald P. Weiher Director-Product Assurance DPW/tlb Mr. Fred I. Masten Supervisor - Warranty/Safety LTV Aerospace and Defense Company AM General Division 701 W. Chippewa Avenue South Bend, IN 46680-2841 Dear Mr. Masten: Thank you for your letter of February 19, 1986, concerning the recall of 1984-1986 AM General M998 Series trucks. As the vehicles involved in this campaign are specifically designed to meet military specifications and are not manufactured primarily for highway use, we do not consider this to be a motor vehicle safety defect recall under the provisions of the Nationa l Traffic and Motor Vehicle Safety Act. Therefore, no further reports on this matter are necessary. Sincerely, Philip W. Davis Director Office of Defects Investigation Enforcement
Mr. Fred I. Masten Supervisor - Warranty/Safety LTV Aerospace and Defense Company AM General Division 701 W. Chippewa Avenue South Bend, IN 46680-2841 Dear Mr. Masten: Thank you for your letter of January 27, 1986, concerning the recall of 1984-1986 AM General M998 Series trucks. As the vehicles involved in this campaign are specifically designed to meet military specifications and are not manufactured primarily for highway use, we do not consider this to be a motor vehicle safety defect recall under the provisions of the Nationa l Traffic and Motor Vehicle Safety Act. Therefore, no further reports on this matter are necessary. Sincerely, Philip W. Davis Director Office of Defects Investigation Enforcement Sec. 102 (cont.) (3) "Motor vehicle" means any vehicle driven or drawn by mechanical power manufactured primarily for use on the public streets, roads, and highways, except any vehicle operated exclusively on a rail or rails. (4) "Motor vehicle equipment" means any system, part, or component of a motor vehicle as originally manufactured or any similar part or component manufactured or sold for replacement or improvement of such system, part, or component or as any accessory, or addition to the motor vehicle, and any device, article, or apparel not a system, part, or component of a motor vehicle (other than medicines, or eyeglasses prescribed by a physician or other duly licensed practitioner), which is manufactured, sold, de livered, offered, or intended for use exclusively to safeguard motor vehicles, drivers, passengers, and other highway users from risk of accident, injury or death. s571.7 (cont.) (c) Military vehicles. No standards applies to a vehicle or item of equipment manufactured for, and sold directly to the Armed Forces of the United States in conformity with contractual specifications.
(d) Export. No standard applies to a vehicle or item of equipment in the circumstances provided in Section 108(b) (5) of the Act 15 U.S.C. 1397(b) (5)). (e) Combining new and used components. When a new cab is used in the assembly of a truck, the truck will be considered newly manufactured for purposes of paragraph (a) of this section, the application of the requirements of this chapter, and the Act, unless the engine, transmission, and drive axle(s) (as a minimum) of the assembled vehicle are not new, and at least two of these components were taken from the same vehicle. Interpretations General. Compliance with Initial Federal Motor Vehicle Safety Standards is determined by actual date of manufacture, rather than model year designation. Mini-bikes. A number of persons have asked the Federal Highway Administrator to reconsider his February 4, 1969, interpretation of the National Traffic and Motor Vehicle Safety Act of 1966 concerning mini-bikes (34 F.R. 1909). In that interpretation, the Administrator concluded that mini-bikes are "motor vehicles" within the meaning of section 102(3) of the Act, and are regarded as "motorcycles" or "motor-driven cycles" under the Federal Highway Administration regulations (34 F.R. 1909). Under those re gulations, motorcycles and motor-driven cycles must conform to Motor Vehicle Safety Standard No. 108, which imposes performance requirements relating to lamps, reflective devices, and associated equipment. The primary basis for the conclusion of the February 4 interpretation, as stated therein, was that "in the absence of clear evidence that as a practical matter a vehicle is not being, or will not be, used on the public streets, roads, or highways the ope rating capability of a vehicle is the most relevant fact in determining whether or not that vehicle is a motor vehicle under the ACT * * *" It was stated that if examination of a vehicle's operating capability revealed that the vehicle is "physically capable (either as offered for sale or without major additions or modifications) of being operated on the public streets, roads, or highways, the vehicle will be considered as having been manu factured primarily for use on the public streets, roads, and highways'." It was also stated that a manufacturer would need to show substantially more than that it has advertised a vehicle as a recreational or private property vehicle or that use of the vehicle on a public roadway, as manufactured and sold, would be illegal in order to overcome a conclusion based on examination of the vehicle's operating capability.
Petitioners have urged the Administrator to abandon the operating capability test. They have argued that many vehicular types, such as self-propelled riding mowers, have an "operating capability" for use on the public roads and yet are obviously outside the class of vehicles which Congress subjected to safety regulations. True as that may be, the Administrator has decided to adhere to the view that the operating capability of a vehicle is an important criterion in determining whether it is a "motor vehi cle" within the meaning of the statute. As the above-quoted portion of the February 4, 1969, interpretation states, however, the operating capability test is not reached if there is "clear evidence that as a practical matter the vehicle is not being used on the public streets, roads, or highways." In the case of self-propelled riding mowers, golf carts, and many other similar self-propelled vehicles, such clear evidence exists. It is clear from the definition of "motor vehicle" in section 102(3) of the Act* that the purpose for which a vehicle is manufactured is a basic factor in determining whether it was "manufactured primarily or use on the public streets, roads, and highway s." However, this does n ot mean that the proper classification of a particular vehicle is wholly dependent on the manufacturer's subjective state of mind. Instead, the Administrator intends to invoke the familiar principle that the purpose for which an act, such as the p roduction of a vehicle, is undertaken may be discerned from the actor's conduct in the light of the surrounding circumstances. Thus, if a vehicle is operationally capable of being used on public thoroughfares, and if in fact, a substantial proportion of the consuming public actually uses in that way, it is a "motor vehicle" without regard to the manufacturer's intent, however manifested. In such a case, it would be incumbent upon a manufacturer of such a vehicle either to alter the vehicle's design, con figuration, and equipment to render it unsuitable for on-road user or, by compliance with applicable motor vehicle safety standards, to render the vehicle safe for use on public streets, roads, and highways. In borderline cases, other factors must also be considered. Perhaps the most important of these is whether state and local laws permit the vehicle in question to be used and registered for use on public highways. The nature of the manufacturer's promotio nal and marketing activities is also evidence of the use for which the vehicle is manufactured. Some relevant aspects of those activities are: (1) Whether the vehicle is advertised for on-road use or whether the manufacturer represents to the public that the vehicle is not for use on public roads; (2) whether the vehicle is sold through retail outlets that also deal in conventional motor vehicles; and (3) whether the manufacturer affixes a label warning owners of the vehicle not to use it for travel ove r public roads. |
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ID: nht87-2.36OpenTYPE: INTERPRETATION-NHTSA DATE: 07/09/87 FROM: AUTHOR UNAVAILABLE; Erika Z. Jones; NHTSA TO: Mr. John B. White TITLE: FMVSS INTERPRETATION TEXT: Mr. John B. White Engineering Manager, Product Engineering Michelin Americas Research & Development Corp. P.O. BOX 1987 Greenville, SC 29602 Dear Mr. White: This responds to your letter seeking an interpretation of Standard No. 119, New Pneumatic Tires for Vehicles Other Than Passenger Cars (49 CFR S571.119). Specifically, you stated that you currently mark a tire with the size designation 385/65 R 22.5 Load Range J. You also stated that this tire has the same dimensions as a 15 R 22.5 Load Range J tire. You asked whether Standard No. 119 would prohibit the following size designation from being marked on the tire: 385/65R22.5 LRJ (15R22.5) The marking requirements for tires subject to Standard No. 119 are set forth in section S6.5 of the standard. Section S6.5(c) requires that each tire be marked on both sidewalls with "the tire size designation as listed in the documents and publications designated in S5.1." Section S5.1 of Standard No. 119 requires each tire manufacturer to ensure that a listing of the rims that may be used with each tire the manufacturer produces is available to the public. This may be done either by the individual man ufacturer furnishing a document to each of its dealers, to this agency, and to any person upon request, or the manufacturer may rely on the tire and rim matching information published by certain standardization organizations. With respect to the 385/65 R 22.5 Load Range J tire size, Michelin has not furnished any individual information for this tire size to the agency. The only standardization organization that has published tire and rim matching information for this tire siz e is the European Tyre and Rim Technical Organization (ETRTO), which did so in its 1987 yearbook. Accordingly, section S5.2 of Standard No. 119 provides that the information for this tire size in the 1987 ETRTO yearbook is considered to be information fo r Michelin's tires of that size. The 1987 ETRTO yearbook shows the tire size only as 385/65 R 22.5. As noted above, section S6.5(c) requires that the tire size designation on the sidewall be "as listed in the documents and publications designated in S5.1". Reading this requirement as na rrowly as possible, S6.5(c) prohibits Michelin from marking the tires as both 385/65 R 22.5 and 15 R 22.5, since the size is shown only as 385/65 R 22.5 in the publication designated in S5.1 of Standard No. 119. In a broader sense, the practice of labeling two tire sizes on one tire, as you requested in your letter, was once a fairly common practice and was referred to as "dual-size markings." Dual-size markings were a marketing effort by tire manufacturers to try to persuade consumers to change the size and/or type of tire on their vehicles, by representing that this particular tire size was an appropriate replacement for two different sizes of tires. However, the practice of using dual-size markings confused many consumers about the size of the tire on their vehicle. The only purpose of the Federally required markings on tires is to provide consumers, in a straightforward manner, with technical infor mation necessary for the safe use and operation of the tire. The agency concluded that it was inappropriate to permit a marketing technique that was confusing many consumers to defeat the purpose of the required markings on tires. Accordingly, dual-size markings were expressly prohibited for passenger car tires subject to Standard No. 109; 36 FR 1195, January 26, 1971. While Standard No. 119 does not expressly prohibit dual-size markings, section S6.5(c) uses the singular when it refers to the "tire size designation" associated with dual-size markings, this agency interprets section S6.5(c) of Standard No. 119 as prohi biting a manufacturer from marking a tire with two different size designations, even if a document or publication designated in S5.1 were to show two different size designations for the same tire size. Sincerely, Erika Z. Jones Chief Counsel File: FMVSS 119 15 May 1987 National Highway Traffic Safety Administration Department of Transportation Office of Chief Counsel 400 Seventh Street, SW Washington, DC 20590 Dear Sir: This is in regards to the marking requirements of FMVSS 119. We have a tire which is marked with the tire designation 385/65R22.5 LRJ. This tire has the same dimensions as the 15R22.5 LRJ and therefore can replace that tire. Would the following marking m eet the requirements of FMVSS 119? 385/65R22.5 LRJ (15R22.5) We would appreciate a prompt reply to this question. Thank you. Very truly yours, John B. White Engineering Manager Product Engineering |
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ID: nht90-4.20OpenTYPE: Interpretation-NHTSA DATE: September 25, 1990 FROM: Paul Jackson Rice -- Chief Counsel, NHTSA TO: Mr. and Mrs. Albert J. Fasel TITLE: None ATTACHMT: Attached to letter dated 8-24-90 from Mr. and Mrs. A.J. Fasel to A.H. Neill, Jr. (OCC 5149); Also attached to drawing entitled "Eye-Level Turn Signal" (graphics omitted) TEXT: This is in reply to your letter of August 24, 1990, to Arthur H. Neill of this agency. You have asked for an interpretation that Federal law or regulations do not prohibit "turn signals being amber and is no way an impairment to the function of the cent er high mounted red stop lamp." Federal Motor Vehicle Safety Standard No. 108, Lamps, Reflective Devices, and Associated Equipment, allows the use of amber turn signals. However, since you have enclosed a drawing of a device consisting of a center highmounted stop flanked by right and left amber turn signals, your actual question appears to be whether this device is legally acceptable under Federal law. The "Abstract" you enclosed states that the stop function "is used in conjunction with the rear bumper signal lights", indicating that the intent of the device is to provide a supplementary turn signal to a vehicle's original turn signal system. Two dif ferent models are proposed: "One model for use with an already existing rear window light or without one." The device would be available through parts stores and mail order catalogues. With respect to aftermarket sales of motor vehicle equipment such as yours, there is only one Federal restriction: if the equipment is installed on a vehicle by a manufacturer, distributor, dealer, or motor vehicle repair business, it must not "render i noperative, in whole or in part", any element of design, or device, installed by the vehicle's manufacturer in accordance with a Federal motor vehicle safety standard. If a passenger car already has a center highmounted stop lamp, the model of your device that does not incorporate a center lamp (i.e., consisting only of the turn signal portion) will "straddle" it. As long as the installation of your device does not af fect the performance of the existing center highmounted lamp that has been installed in accordance with Standard No. 108 (for example, such as being wired in a way that reduces the light output of the center lamp) it appears permissible. If a vehicle was manufactured before Standard No. 108 required it to have a center lamp, it does not appear that installation of the model of your device that incorporates a center highmounted stop lamp could in any way "render inoperative" any of the ot her rear lighting devices required by Standard No. 108. However, in either event, you should ensure that the size of the device is such that it does not interfere with the field of view requirements of Federal Motor Vehicle Safety Standard No. 111, Rearview Mirrors, in order that compliance with this standard may be maintained after installation of your device. I include a copy of Standard No. 111 for your information. Finally, even if your device is acceptable under the conditions I have discussed above, it must not violate the laws of any State where it is used. We are unable to advise you on State laws, but suggest that you contact the American Association of Motor Vehicle Administrators, 4600 Wilson Boulevard, Arlington, Va. 22203. Enclosure (Attached is a copy of Standard No. 111 (text omitted)) |
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ID: nht74-4.34OpenDATE: 01/22/74 FROM: AUTHOR UNAVAILABLE; Lawrence R. Schneider; NHTSA TO: United States Senate TITLE: FMVSR INTERPRETATION TEXT: This is in reply to your communication of January 3, 1974, forwarding to us correspondence dated November 29, 1973, from Mr. Bruce Motyka of Des Plaines. Mr. Motyka requests information regarding laws relating to pickup truck and camper weight limits, laws or studies relating to the sale of trucks exceeding GVW (Gross Vehicle Weight) rate minimums, and regulations or studies regarding maximum weights for tires. The NHTSA has issued regulations relating to the installation of campers onto pickup trucks. Motor Vehicle Safety Standard No. 126 "Truck camper loading" (49 CFR @ 571.126) requires each camper to bear a permanent label containing information on its maximum loaded weight. The standard also requires each camper to be furnished with an owner's manual that contains information on total camper weight, the selection of an appropriate pickup truck, appropriate methods of camper loading, how to determine the camper's center of gravity and where it should be placed in the truck cargo area. A companion "Consumer Information" regulation, "Truck camper loading" (49 CFR @ 575.103) requires that written information be provided at the sale of each truck capable of being equipped with a slide-in camper that deals with the correct installation of a slide-in camper in that vehicle. This information is also required to be available in dealers' showrooms for retention by prospective purchasers of such trucks. Other NHTSA regulations (49 CFR Part 567, "Certification") require every motor vehicle, including pickup trucks, to be labeled, usually on the driver's door or door jam, with its gross vehicle weight rating, and the gross axle weight rating for each axle. Each of these ratings is intended to be based on the weight of a fully loaded vehicle, as determined by the vehicle's manufacturer. While it is possible for manufacturers to incorrectly rate vehicles, and thus be in noncompliance with the regulations, we have not found this practice to occur in the case of pickup trucks. There are also Federal requirements requiring motor vehicle tires to carry a load rating. Motor Vehicle Safety Standard No. 109 applies to passenger car tires and has been in effect since January 1, 1968. Motor Vehicle Safety Standard No. 119 applies to tires for all other types of motor vehicles (trucks, trailers, buses, motorcycles, and multipurpose passenger vehicles) and will become effective September 1, 1974. This agency has conducted a study of the overloading of tires on recreational vehicles, and information regarding this study as well as copies of the safety requirements referred to above are enclosed. We did not receive Mr. Motyka's earlier letter to us. As his questions are of a general nature we have provided him with general answers. If his questions involved a particular problem we would be happy to provide further assistance. ENC. REPLY TO: Office of United States Senator Charles H. Percy January 3, 1974 Mr. Bruce Motyka 2030 Laura Lane Des Plaines, Ill. 60018 Respectfully referred to: Department of Transportation National Highway Safety Division 400 Seventh Street, SW Washington, D. C. 20590 Because of the desire of this office to be responsive to all inquiries and communications, your consideration of the attached is requested. Your findings and views, in duplicate form, along with return of the enclosure, will be appreciated by CHARLES H. PERCY/MO Nov. 29, 1973 Senator Charles Percy Senate Office Building Washington, D.C. Dear Sir: Close to 2 month's ago I wrote a letter to the Department of Transportation, National Highway Safety - Washington, D.C. requesting the following information: 1. Laws Relating to Pickup Truck & Camper weight limits. 2. Laws and or studies relating to manufactures selling trucks exceeding GVW Rate maximums. 3. Regulations or studies regarding maximum weights for tires. I sent the Department of Transportation a rather lengthy letter requesting specific information, help & guidance With all of the Public feeling concerning the present administration, it is very disturbing to me that I can't even get an answer to a simple inquiry. This is the reason that I am writing to you. Would you please have someone check to see what happened to my original letter & ask that they reply as soon as possible. Thank you. Bruce J. Motyka |
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ID: 1983-3.14OpenTYPE: INTERPRETATION-NHTSA DATE: 10/27/83 FROM: AUTHOR UNAVAILABLE; Frank Berndt; NHTSA TO: Mazda (North America) Inc. TITLE: FMVSS INTERPRETATION TEXT:
NOA--30
Mr. H. Nakaya Office Manager Mazda (North America), Inc. 23777 Greenfield Road, Suite 462 Southfield, Michigan 48075
Dear Mr. Nakaya:
This responds to your letter of August 25, 1983, requesting an interpretation of the requirements of Standard No. 201, Occupant Protection in Interior Impact. Your specific questions concern the application of the requirements of S3.5.1(b) of the standard to an armrest.
The answers to your four questions are as follows:
A) The requirements of S3.5.1(b), as with the requirements of S3.5.1(a), apply to the whole area of an armrest. In contrast, the requirements of S3.5.1(c) only apply to a part of an armrest (i.e., the portion of the armrest within the pelvic impact area). B) See answer to A.
C) The agency does not give prior approval to specific designs. It appears, however, that your design would not comply, since apparently the armrest will not deflect or collapse to within 1.25 inches of a rigid test panel surface without permitting contact with any rigid material, in this case the power window switch. In addition, the power window switch apparently does not have a minimum vertical height of not less than one inch. It is difficult to provide you with a definitive answer since section A-A of your drawing appears to be drawn to a different scale than the scale shown in the lower left corner of your drawing.
D) It appears from your drawing that even if the requirements of S3.5.1(b) were amended, as you suggested, to limit their application to the pelvic impact area of the armrest, the design would not comply since the power window switch area of the armrest is within the pelvic impact area. Rather than seeking an amendment to the standard, you may want to consider modifying your design so that it will comply with either 3.5.1(a) or (c) of the standard. If you have any further questions, please let me know. Sincerely,
Frank Berndt Chief Counsel
August 25, 1983
Mr. Frank Berndt Chief Counsel National Highway Traffic Safety Administration 400 Seventh Street, S.W. Washington, D.C. 20590
RE: Interpretation of FMVSS 201, Occupant Protection in Interior Impact
Dear Mr. Berndt:
Mazda submits this letter to request an interpretation of the requirements for standard S3.5.1.(b) of FMVSS 201, Occupant Protection in Interior Impact.
Mazda is developing a new model in which the armrest, by design, should meet the standard S3.5.1.(b). It is difficult for the design to meet standard S3.5.1.(a) or (c). The requirement states, "It shall be constructed with energy-absorbing material that defects or collapses to within 1.25 inches of rigid panel surface . . ." Our questions are as follows:
A) Is this requirement applied to the whole area of an armrest or part of an armrest?
B) If this requirement applies to part of an armrest, what is the area that it applies to?
C) Does Mazda's design conform to standard S3.5.1(b)? (See attached sketch)
D) If Mazda's design does not conform to standard S3.5.1.(b), what kind of amendment is required? Example: At least the pelvic impact area has to meet the requirement.)
We would appreciate your interpretation with regard to this matter at your earliest convenience.
Thank you.
Sincerely,
H. Nakaya Office Manager
HN/ab
***Insert Diagram Here*** |
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ID: nht76-4.24OpenDATE: 04/07/76 FROM: AUTHOR UNAVAILABLE; F. Berndt; NHTSA TO: Trail-O-Matic, Inc. TITLE: FMVSS INTERPRETATION TEXT: This responds to your March 8, 1976, request to know the status of "log trailers" under Standard No. 121, Air Brake Systems, whether the exclusion for "heavy hauler" trailers terminates September 1, 1976, and what the penalties are for non-compliance with an applicable Federal motor vehicle safety standard. You indicate that you may know of some manufacturers that do not comply with Standard No. 121 and suggest that all persons concerned with the standard be advised of the status of the regulation. Without description of the "log trailers" in question, it is not possible to determine if Standard No. 121 applies to them. Most pole trailers and trailers equipped with any axle having a gross axle weight rating of 24,000 pounds or more are examples of vehicles that may be excluded from the standard. Mr. Herlihy of this office has already sent applicable documents to you under separate cover. The exclusion from the standard for "heavy hauler" trailers was extended recently and now terminates September 1, 1977. Section 108(a)(1) of the National Traffic and Motor Vehicle Safety Act (15 U.S.C. @ 1397(a)(1)) prohibits the sale and false or misleading certification of a non-complying vehicle to which a standard is applicable. Each violation of these provisions makes the manufacturer liable to a maximum civil penalty of $ 1,000 for each violation, up to a total of $ 800,000 for a related series of violations. (15 U.S.C. @ 1398). You may advise our Office of Standards Enforcement of any violations of which you are aware. The NHTSA finds it impracticable to notify directly every interested person of each of its regulatory actions. Each action is made public and is widely distributed by commercial services and trade associations. Enclosed is an information sheet that explains the various means to obtain copies of our regulations. YOURS TRULY, Trail-O-Matic, Inc. March 8, 1976 Richard B. Dyson, Assistant Chief Counsel U. S. DEPARTMENT OF TRANSPORTATION National Highway Traffic Safety Administration RE: N40-30 (TH) With reference to "anti-skid" brake regulation # 121 we have strictly conformed to all terms and conditions of the above but wish to report some our competition in Georgia and Florida are building log trailers without installing the anti-skid equipment. It isn't quite fair to comply with the rules and then miss some sales because competition is selling much cheaper because the unit is not equipped to the D. O. T. # 121 requirement. What are the penalties, if any, for not complying with this requirement OR has anything been changed basically that we are not aware of? As a suggestion I think the government should advise all concerned as to the status of this regulation in order to clear the air and put everyone on equal footing. Please let me hear from you as soon as possible with reference to the above and also will the September 1, 1976 date be applicable on low bed machinery trailers. Thanking you for your prompt attention, we are J. L. Chancey President |
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ID: nht94-9.6OpenTYPE: Interpretation-NHTSA DATE: January 10, 1994 FROM: John Womack -- Acting Chief Counsel, NHTSA TO: C.N. Littler -- Coordinator, Regulatory Affairs, MCI/TMC (Manitoba) TITLE: None ATTACHMT: Attached to fax dated 7/30/93 from C.N. (Norm) Littler to Mary Versailles (OCC 8951) TEXT: This responds to your FAX and phone call of July 30, 1993 to Mary Versailles of my office. Your FAX enclosed information on a vehicle, the AMF Invader, which is built on a remanufactured MCI chassis, and advertised and sold as a new vehicle. You do not believe that such a vehicle should be considered a new vehicle. As Ms. Versailles explained on the phone, we can explain whether such a vehicle would be considered a new vehicle for purposes of laws and regulations administered by this agency, and the implications of such a determination. I suggest you also contact the Federal Trade Commission concerning whether it is appropriate to advertise this vehicle as new. To determine whether this vehicle can be titled and registered as new, you would have to contact the various states concerning their laws. By way of background information, the National Highway Traffic Safety Administration (NHTSA) is authorized under the National Traffic and Motor Vehicle Safety Act (15 U.S.C. S1381 et seq.; Safety Act) to issue Federal motor vehicle safety standards that apply to the manufacture and sale of new motor vehicles and new items of motor vehicle equipment. Section 108(a)(1)(A) of the Safety Act (15 U.S.C. 1397(a)(1)(A)) prohibits any person from manufacturing, introducing into commerce, selling, or importing any new motor vehicle or item of motor vehicle equipment unless the vehicle or equipment item is in conformity with all applicable safety standards. NHTSA, however, does not approve motor vehicles or motor vehicle equipment, nor does it endorse any commercial products. Instead, the Safety Act establishes a self-certification process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards. After a vehicle's first retail sale, a provision affecting its modification is section 108(a)(2)(A) of the National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1397(a)(2)(A)) which provides: No manufacturer, distributor, dealer, or motor vehicle repair business shall knowingly render inoperative, in whole or in part, andy device or element of design installed on or in a motor vehicle ... in compliance with an applicable Federal motor vehicle safety standard. It is possible that modifications on an existing vehicle may be so substantial that the resulting vehicle would be a new vehicle for purposes of compliance with the safety standards. In this case, the new vehicle would be required to be certified by its manufacturer as complying with all applicable safety standards in effect on its date of manufacture, just like every other new vehicle. This date would be the date such modifications were completed.
The agency has stated that a bus built with a new body is not considered a "new" vehicle if, at a minimum, the engine, transmission, and drive axle(s) are not new and at least two of these three listed components are taken from the same used vehicle (see, for example, August 11, 1987 letter to Mr. Ernest Farmer). The agency has also stated that a bus constructed from an old body and a new chassis is a new vehicle (see, for example, July 17, 1981 letter to Mr. Larry Louderback). When neither the body nor the chassis are completely new, the agency looks to see if the vehicle has so deviated from the original components and attributes that it may be considered an new vehicle, and one for which compliance with the safety standards is legally required, or whether it has retained a sufficient number of components and characteristics to be considered a used vehicle (see, for example, April 22, 1991 letter to Mr. Kent Morris). You enclosed an article titled "The New Invader" from the August 1993 issue of National Bus Trader magazine. The manufacturing process for the Invader is described beginning on page 14. Page 16 of this article states, "the Invader is supplied with a new engine," but the article does not contain enough information to determine whether the vehicle, which includes both new and old parts, would be considered new. If the Invader has a new body, NHTSA would consider the vehicle to be new if the chassis lacks the used components referenced in the Farmer letter. Any new vehicle must be certified as complying with all applicable safety standards in effect on the date of manufacture before the vehicle can be sold in the United States. I hope you find this information helpful. If you have any other questions, please contact Mary Versailles at this address or by phone at (202) 366-2992. |
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ID: nht94-1.15OpenTYPE: Interpretation-NHTSA DATE: January 10, 1994 FROM: John Womack -- Acting Chief Counsel, NHTSA TO: C.N. Littler -- Coordinator, Regulatory Affairs, MCI/TMC (Manitoba) TITLE: None ATTACHMT: Attached to fax dated 7/30/93 from C.N. (Norm) Littler to Mary Versailles (OCC 8951) TEXT: This responds to your FAX and phone call of July 30, 1993 to Mary Versailles of my office. Your FAX enclosed information on a vehicle, the AMF Invader, which is built on a remanufactured MCI chassis, and advertised and sold as a new vehicle. You do not believe that such a vehicle should be considered a new vehicle. As Ms. Versailles explained on the phone, we can explain whether such a vehicle would be considered a new vehicle for purposes of laws and regulations administered by this agency, and the implications of such a determination. I suggest you also contact the Federal Trade Commission concerning whether it is appropriate to advertise this vehicle as new. To determine whether this vehicle can be titled and registered as new, you would have t o contact the various states concerning their laws. By way of background information, the National Highway Traffic Safety Administration (NHTSA) is authorized under the National Traffic and Motor Vehicle Safety Act (15 U.S.C. S1381 et seq.; Safety Act) to issue Federal motor vehicle safety standards that apply to the manufacture and sale of new motor vehicles and new items of motor vehicle equipment. Section 108(a)(1)(A) of the Safety Act (15 U.S.C. 1397(a)(1)(A)) prohibits any person from manufacturing, introducing into commerce, selling, or importing any new motor vehicle or item of motor vehicle equipment unless the vehicle or equipment item is in conformity with all applicable safety standards. NHTSA, however, does not approve motor vehicles or motor vehicle equipment, nor does it endorse any comm ercial products. Instead, the Safety Act establishes a self-certification process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards. After a vehicle's first retail sale, a provision affecting its modification is section 108(a)(2)(A) of the National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1397(a)(2)(A)) which provides: No manufacturer, distributor, dealer, or motor vehicle repair business shall knowingly render inoperative, in whole or in part, andy device or element of design installed on or in a motor vehicle ... in compliance with an applicable Federal m otor vehicle safety standard. It is possible that modifications on an existing vehicle may be so substantial that the resulting vehicle would be a new vehicle for purposes of compliance with the safety standards. In this case, the new vehicle would be required to be certified by its manufacturer as complying with all applicable safety standards in effect on its date of manufacture, just like every other new vehicle. This date would be the date such modifications were completed.
The agency has stated that a bus built with a new body is not considered a "new" vehicle if, at a minimum, the engine, transmission, and drive axle(s) are not new and at least two of these three listed components are taken from the same used vehicle (see , for example, August 11, 1987 letter to Mr. Ernest Farmer). The agency has also stated that a bus constructed from an old body and a new chassis is a new vehicle (see, for example, July 17, 1981 letter to Mr. Larry Louderback). When neither the body n or the chassis are completely new, the agency looks to see if the vehicle has so deviated from the original components and attributes that it may be considered an new vehicle, and one for which compliance with the safety standards is legally required, or whether it has retained a sufficient number of components and characteristics to be considered a used vehicle (see, for example, April 22, 1991 letter to Mr. Kent Morris). You enclosed an article titled "The New Invader" from the August 1993 issue of National Bus Trader magazine. The manufacturing process for the Invader is described beginning on page 14. Page 16 of this article states, "the Invader is supplied with a ne w engine," but the article does not contain enough information to determine whether the vehicle, which includes both new and old parts, would be considered new. If the Invader has a new body, NHTSA would consider the vehicle to be new if the chassis lac ks the used components referenced in the Farmer letter. Any new vehicle must be certified as complying with all applicable safety standards in effect on the date of manufacture before the vehicle can be sold in the United States. I hope you find this information helpful. If you have any other questions, please contact Mary Versailles at this address or by phone at (202) 366-2992. |
Request an Interpretation
You may email your request to Interpretations.NHTSA@dot.gov or send your request in hard copy to:
The Chief Counsel
National Highway Traffic Safety Administration, W41-326
U.S. Department of Transportation
1200 New Jersey Avenue SE
Washington, DC 20590
If you want to talk to someone at NHTSA about what a request for interpretation should include, call the Office of the Chief Counsel at 202-366-2992.
Please note that NHTSA’s response will be made available in this online database, and that the incoming interpretation request may also be made publicly available.