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
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ID: nht94-1.43OpenTYPE: Interpretation-NHTSA DATE: February 7, 1994 FROM: John Womack -- Acting Chief Counsel, NHTSA TO: Donald W. Vierimaa -- Vice President - Engineering, Truck Trailer Manufacturing Association TITLE: None ATTACHMT: Attached to letter dated 9/2/93 from Donald W. Vierimaa to John Womack (OCC-9050) TEXT: We have reviewed your letter of September 2, 1993, asking for three interpretations of S5.7 of Federal Motor Vehicle Safety Standard No. 108, the provisions that relate to heavy trailer conspicuity. You have set forth the metric dimensions specified in S5.7, together with corresponding values under the headings "English (actual)," and "English (nominal)." The latter is a rounding off of the values of "English (actual)." Your first question is whet her you may consider the English (nominal) dimensions equivalent for the purpose of compliance with Standard No. 108. We assume that you would like to provide measurements in the conventional manner to your members who may not be familiar with the metric system, as a means of assisting them to comply with the conspicuity requirements that become effective December 1, 19 93. However, the Federal motor vehicle safety standards are not expressed in equivalents, but in precise values, whether metric or conventional, and there can be no rounded "equivalences" for purposes of compliance with Standard No. 108. SAE J1322 JUN8 5 "Preferred Conversion Values for Dimensions in Lighting" which you reference has not been incorporated into Standard No. 108. In implementation of Departmental and national policy, NHTSA has begun to specify the requirements of the Federal motor vehic le safety standards using metric system values, and manufacturers are expected to learn and to comply with them. We would also like to correct a misimpression indicated in your letter. You have placed a single asterisk by certain metric values reflecting your assumption that these are minimum values. This is incorrect; the standard expresses these values as fixed values rather than minimum ones. However, you are correct in your identification as minimum of those values that are not designated by an asterisk. Your second question concerns the location of rear and side sheeting. You point out that cargo tank trailers may have a "vertical surface" only at their "belt line" which may be as high as 2.3 m above the ground. You ask whether retroreflective sheetin g may be located higher that 1.25 m if there is no vertical surface lower than this height "without installing structure just for the sheeting." As adopted, Standard No. 108 specified a mounting height as close as practicable to 1.25 m. However, in a n otice published on October 6, 1993, NHTSA amended the requirement to "as close as practicable to not less than 375 mm and not more than 1525 mm above the road surface." The practicability qualification allows manufacturers to choose a location for consp icuity treatment that is outside the specified range to avoid body modifications that might otherwise be required to mount the material within the specified range. The manufacturers of conspicuity material certify its performance as mounted on a vehicle in a vertical plane. Trailer manufacturers are expected to mount the material in a vertical plane or as close to a vertical plane as the trailer shape offers. In the case of your hypothetical tank trailer without a suitable vertical surface below the belt line of the tank, reflective material at the belt line, whether 2.3 m or higher, would be considered to have been mounted as close as practicable to the upper s pecification of the height range (1.525 m). As NHTSA observed when it adopted the original mounting height specification with its practicability provision, flexibility in the vertical location of conspicuity material is necessary for compliance of some tank trailers. However, it should not be overlooked that other types of tank trailers may have vertical surfaces on the frames, fenders, or other equipment well suited for conspicuity material. Your third question presents five Figures and asks with respect to each whether the vertical and horizontal sheeting for the upper right and left contours, as specified by S5.7.1.4.1(b), may be of the dimensions and locations shown. This section require s application of two pairs of white strips of sheeting, each pair consisting of strips 300 mm long, applied "vertically" and "horizontally" to the contours "as close to the top of the trailer and as far apart as practicable." With respect to Figures 1 a nd 2 (van trailers), we shall assume that the horizontal strips are mounted as close to the top of the trailer as practicable. Figure 1 depicts two separate strips at right angles to each other, each 300 mm in length. This design is not in accordance w ith Standard No. 108. The side strip does not appear mounted as close to the top of the trailer as practicable, and the top strips do not appear to be mounted as far apart as practicable. While the presence of door hinges may necessitate designs simila r to Figure 1, this design, as drawn on an unobstructed surface, does not comply. To effect compliance, either the side strips should be moved upwards, or the top strips should be moved closer to the outside corners. Figure 2 depicts two strips joined at the corners to make an inverted "L." Each leg of the "L" is 300 mm in length when measured from the outside, top to bottom, or side to side. This configuration is in accordance with S5.7.1.4.1(b). Figures 3 and 4 present alternative conspicuity treatments for liquid tank trailers where the body is curved rather than rectangular. In Figure 3, two strips 30 mm in length intersect at an angle greater than 90 degrees. In Figure 4, a curved strip 600 mm in length follows the contour of the body. Paragraph S5.7.1.4.1(b) of Standard No. 108 requires marking the upper outer contours of the body with strips "applied horizontally and vertically to the right and left upper contours of the body ...." Howe ver, the rear contours of a tank body are rounded rather than vertical and horizontal. In view of this fact, the agency accepts the treatment shown in your Figure 3 as meeting the requirement for horizontal and vertical application. The design of Figur e 4 does not differ in any significant way, and we consider that it is equivalent. Finally, Figure 5 depicts a dry bulk trailer with a 300 mm strip centered horizontally at the top of a round body, and two strips of the same length placed lower, at an angle slightly off of vertical, but far from the edges of the body contour. We under stand that the body of the trailer tapers to a blunt end represented by the circle upon which the horizontal conspicuity treatment is laced. As the approximately vertical strips cannot be placed on the tapering trailer body, they should be located as fa r apart as practicable, and the depicted location appears to represent that placement. Similarly, if two horizontal strips cannot be placed on the trailer body, NHTSA will not question the compliance of the vehicle based on the provision of a single, cen ter strip of retroreflective material. |
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ID: aiam4227OpenMelvin Krewall, Administrator, Transportation Section, Finance Division, Oklahoma State Department of Education, 2500 North Lincoln Boulevard, Oklahoma City, OK 73105-4599; Melvin Krewall Administrator Transportation Section Finance Division Oklahoma State Department of Education 2500 North Lincoln Boulevard Oklahoma City OK 73105-4599; Dear Mr. Krewall: This responds to your August 22, 1986, letter to former Chief Counse Jeffrey Miller concerning our regulations for school bus manufacturing. You asked whether the National Highway Traffic Safety Administration (NHTSA) has certified and approved the 'Asia Smith Chassis' for school buses. You stated that you need a copy of the certification because Oklahoma requires chassis to be approved by the state Board of Education before they can be sold in Oklahoma.; I would like to begin by clarifying that the NHTSA does not certify o approve motor vehicles or motor vehicle equipment. This agency regulates motor vehicle safety under the National Traffic and Motor Vehicle Safety Act. That Act establishes a 'self-certification' process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards. This process requires each manufacturer to exercise due care in selecting and conducting the mathematical calculations, computer simulations or testing that form the basis for that certification. Manufacturers certify their school buses by attaching a label to their vehicles in accordance with our certification procedures. The agency periodically tests vehicles and equipment for compliance with applicable safety standards.; A school bus manufacturer who installs a school bus body on a ne chassis (such as an Asia Smith chassis) is required by our certification regulations (49 CFR 567 and 568) to certify the completed vehicle to Federal motor vehicle safety standards for school buses. Those regulations require the chassis manufacturer to furnish information which assists the vehicle manufacturer in making that certification. When certifying its school buses, the manufacturer affirms that the vehicle, including the chassis, conforms to all applicable Federal motor vehicle safety standards, including school bus safety standards.; You indicated that Oklahoma requires school bus chassis to be approve by the state before their sale. I am concerned with this requirement because its imposition could be preempted by operation of the Vehicle Safety Act. The first sentence of section 103(d) of the Safety Act states:; >>>Whenever a Federal motor vehicle safety standard established unde this title is in effect, no State or political subdivision of a State shall have any authority either to establish, or to continue in effect, with respect to any motor vehicle or item or motor vehicle equipment any safety standard applicable to the same aspect of performance of such vehicle or item of equipment which is not identical to the Federal standards. . . .<<<; For your information, I have enclosed a copy of a Federal Registe notice issued by the agency concerning the issue of preemption and pre-sale state enforcement of safety standards (47 Fed. Reg. 884, January 7, 1982). The notice discusses NHTSA's position that Federal law preempts state requirements which proscribe the sale of equipment certified to a Federal motor vehicle safety standard unless the equipment is also approved by the State. We believe that Oklahoma's requirement for approval of school bus chassis is analogous.; As I understand Oklahoma's requirement, it imposes requirements whic have the effect of proscribing the sale of certified school buses unless their chassis are also approved by the State. Apparently, school buses manufactured with chassis lacking state approval may not be sold in Oklahoma, even though the vehicle has been certified as meeting all applicable Federal standards. In my opinion, such a requirement is preempted because it imposes burdens differing in a significant respect from the Federal regulatory scheme.; I hope this information is helpful. If you wish to further discuss th preemption issue or have any other questions, please do not hesitate to contact us.; Sincerely, Erika Z. Jones, Chief Counsel |
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ID: aiam4228OpenMelvin Krewall, Administrator, Transportation Section, Finance Division, Oklahoma State Department of Education, 2500 North Lincoln Boulevard, Oklahoma City, OK 73105-4599; Melvin Krewall Administrator Transportation Section Finance Division Oklahoma State Department of Education 2500 North Lincoln Boulevard Oklahoma City OK 73105-4599; Dear Mr. Krewall: This responds to your August 22, 1986, letter to former Chief Counse Jeffrey Miller concerning our regulations for school bus manufacturing. You asked whether the National Highway Traffic Safety Administration (NHTSA) has certified and approved the 'Asia Smith Chassis' for school buses. You stated that you need a copy of the certification because Oklahoma requires chassis to be approved by the state Board of Education before they can be sold in Oklahoma.; I would like to begin by clarifying that the NHTSA does not certify o approve motor vehicles or motor vehicle equipment. This agency regulates motor vehicle safety under the National Traffic and Motor Vehicle Safety Act. That Act establishes a 'self-certification' process under which each manufacturer is responsible for certifying that its products meet all applicable safety standards. This process requires each manufacturer to exercise due care in selecting and conducting the mathematical calculations, computer simulations or testing that form the basis for that certification. Manufacturers certify their school buses by attaching a label to their vehicles in accordance with our certification procedures. The agency periodically tests vehicles and equipment for compliance with applicable safety standards.; A school bus manufacturer who installs a school bus body on a ne chassis (such as an Asia Smith chassis) is required by our certification regulations (49 CFR 567 and 568) to certify the completed vehicle to Federal motor vehicle safety standards for school buses. Those regulations require the chassis manufacturer to furnish information which assists the vehicle manufacturer in making that certification. When certifying its school buses, the manufacturer affirms that the vehicle, including the chassis, conforms to all applicable Federal motor vehicle safety standards, including school bus safety standards.; You indicated that Oklahoma requires school bus chassis to be approve by the state before their sale. I am concerned with this requirement because its imposition could be preempted by operation of the Vehicle Safety Act. The first sentence of section 103(d) of the Safety Act states:; >>>Whenever a Federal motor vehicle safety standard established unde this title is in effect, no State or political subdivision of a State shall have any authority either to establish, or to continue in effect, with respect to any motor vehicle or item or motor vehicle equipment any safety standard applicable to the same aspect of performance of such vehicle or item of equipment which is not identical to the Federal standards. . . .<<<; For your information, I have enclosed a copy of a Federal Registe notice issued by the agency concerning the issue of preemption and pre-sale state enforcement of safety standards (47 Fed. Reg. 884, January 7, 1982). The notice discusses NHTSA's position that Federal law preempts state requirements which proscribe the sale of equipment certified to a Federal motor vehicle safety standard unless the equipment is also approved by the State. We believe that Oklahoma's requirement for approval of school bus chassis is analogous.; As I understand Oklahoma's requirement, it imposes requirements whic have the effect of proscribing the sale of certified school buses unless their chassis are also approved by the State. Apparently, school buses manufactured with chassis lacking state approval may not be sold in Oklahoma, even though the vehicle has been certified as meeting all applicable Federal standards. In my opinion, such a requirement is preempted because it imposes burdens differing in a significant respect from the Federal regulatory scheme.; I hope this information is helpful. If you wish to further discuss th preemption issue or have any other questions, please do not hesitate to contact us.; Sincerely, Erika Z. Jones, Chief Counsel |
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ID: aiam2724OpenMr. R. E. Billman, Project Engineer, AM General Corporation, 32500 Van Born Road, Wayne, MI 48184; Mr. R. E. Billman Project Engineer AM General Corporation 32500 Van Born Road Wayne MI 48184; Dear Mr. Billman: This responds to your October 17, 1977, request for confirmation tha the brake system of the M.A.N. articulated transit bus to be imported by AM General conforms to S5.1.4, S5.3.3, S5.3.4, S5.4, and S5.6.4 of Standard No. 121, *Air Brake Systems*. An October 17, 1977, letter from the National Highway Traffic Safety Administration (NHTSA) to Mr. Shillinger of AM General has already answered your question concerning S5.1.2.3 of the standard.; Section 108(a)(1)(A) of the National Traffic and Motor Vehicle Safet Act (the Act) (15 U.S.C. S 1397(a)(1)(A)) requires, among other things, that no person manufacture or sell any motor vehicle manufactured on or after the date any applicable Federal motor vehicle safety standard takes effect unless it is in conformity with such standard. As the manufacturer of AM General Transit buses, I am sure you are aware that this provision makes it impossible for the NHTSA to 'approve' the compliance of a brake system in advance of manufacture of the vehicle because there can be no certainty that the vehicle as manufactured will actually comply.; In response to your statement that the bus must be tested to S5.4, 108(b)(2) of the Act provides that S 108(a)(1)(A) shall not apply to any person who establishes that he did not have reason to know, in the exercise of due care, that a vehicle is not in conformity with an applicable standard. The NHTSA has always interpreted 'due care' to mean that a manufacturer is free to use whatever method is reasonably calculated to assure itself that its products, if tested, would conform to the standard's requirements. Thus, dynamometer testing of the brakes on each bus would not be necessary if the manufacturer can, in the exercise of due care, assure itself on a reasonable basis, such as engineering calculations, that its products are capable of complying with the standard.; The NHTSA can confirm that S5.3.1 specifies that the tested vehicle b capable of stopping at least once in six stops in the specified stopping distance, within the 12-foot wide roadway, and without lockup of any wheel above 10 mph other than 'controlled lockup.' Section S5.3.1 specifies 'no lockup' performance and can be met by any design, including one which incorporates 'load sensing devices' that provide the specified performance.; Section S5.1.4 specifies '[a] pressure gauge in each service brak system . . . that indicates the service reservoir system air pressure.' In the case of the M.A.N. articulated transit bus, each of the three service brake circuits must be monitored by a gauge readily visible to the driver. The agency takes no position on the wisdom of deleting pressure gauges that monitor brake chamber air pressure.; Section S5.3.3 and S5.3.4 specify minimum actuation and release time for the service brakes, measuring the time to achieve 60 p.s.i. during actuation and the time to drop from 95 p.s.i. to 5 p.s.i. during release. While these 60- and 95-p.s.i. benchmarks appear in the standard, an interpretation of them has been issued because at least one manufacturer is using a maximum air pressure that is less than the benchmarks. I enclose a copy of the clarification to answer your question.; Your question about S5.6.4 is unclear, but the NHTSA can confirm tha the control lever that you showed to the NHTSA appeares (sic) to be identified in a manner that specifies the method of control operation. As we understand it, the arrow suggesting clockwise rotation of the handle, in conjunction with the word 'park', are intended to identify how to apply the parking brake. This interpretation only addresses an arrangement in which parking brake release is the opposite of parking brake application.; Sincerely, Joseph J. Levin, Jr., Chief Counsel |
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ID: nht76-5.16OpenDATE: 05/19/76 FROM: AUTHOR UNAVAILABLE; F. Berndt; NHTSA TO: R. A. Olsen, Ph.D. TITLE: FMVSS INTERPRETATION TEXT: This responds to your March 26, 1976, question whether Federal motor vehicle safety standards would apply to the replacement of seat belt webbing in seat belt assemblies to refurbish deteriorated portions of the webbing. The National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1381, et seq.) authorizes the National Highway Traffic Safety Administration (NHTSA) to regulate the manufacture, but not the repair, of motor vehicle equipment such as seat belt assemblies. The NHTSA has issued a standard that applies to the manufacture and sale of seat belt assemblies (Standard No. 209, Seat Belt Assemblies (49 CFR 571.209)). In enforcement of this standard, the agency must, therefore, distinguish between what is "repair" and what is "manufacture" of a seat belt assembly. You intend to accept existing seat belt assemblies from vehicle owners and to replace the webbing portions, reusing the hardware that is recovered from the existing assembly. From this description, the agency considers that the operation would constitute the manufacture of a seat belt assembly subject to the requirements of Standard No. 209. The majority of the assembled product would be new material, and the manufacturing operations involved in cutting and sewing constitute significant factors in the construction of the finished product. SINCERELY, RICHARD A. OLSEN, Ph.D. Engineering Psychologist Licensed Psychologist: Pa. #PS0235 Member: APA, PPA, HFS, IEEE, SAE March 26, 1976 Robert L. Carter Associate Administrator for Motor Vehicle Programs National Highway Traffic Safety Admin. U.S. Department of Transportation We have been considering establishing a mail-order firm specializing in replacement of the webbing of seat belt assemblies. As you may know, belt replacements through automobile dealers may cost $ 15-20 per assembly, while the webbing, which is the only component that deteriorates, could be supplied for about $ 1-2. By reuse of the hardware and quick turnaround times, stocking only the most common assemblies and allowing trade-ins, this service could expand as the demand increases and keep the cost low. We would like an opinion from NHTSA on the standards which might be involved in such a service. Specifically, if webbing, assembly, and sewing are comparable to original equipment, would any testing for final assembly strength be required? We assume that reasonable workmanship would be sufficient if standard components and procedures are used. Any extensive testing or certification requirements would preclude initiation of this service firm since very small initial volumes would be anticipated, and cost must be kept low to cover labor, postage, and supplies. We feel that the public is beginning to appreciate the value of seat belts, partly as a result of the interlock which demonstrated that the belts themselves "weren't so bad after all." Now there needs to be a way to replace frayed belts at a price that is not a strong deterrent. Richard A. Olsen |
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ID: 1983-1.22OpenTYPE: INTERPRETATION-NHTSA DATE: MARCH 4, 1983 FROM: HOUTAN MOSTAGHIM -- VICE PRESIDENT, PAN UNITED TO: CHIEF COUNSEL -- NHTSA TITLE: DOG CLIP. ATTACHMT: MEMO DATED 3-21-83, FROM FRANK BERNDT, FROM HOUTAN MOSTAGHIM, NOA-30 TEXT: The purpose of this letter is to request official legal interpretation on a piece of safety device which, this company is currently intending to import and distribute in the territories of the United States. This device refers to a so called "complimentory buckle component" of a seat belt, which is engaged and secured in a seat buckle component. This device is designed to be attached and secured to the collar or homes of a pet in any vehicle with seat belt buckle component, in order to protect the driver from the pet's sudden and gross moves inside the vehicle. For further clarification and explanation of this device, I am enclosing a copy of respective patent document for your kind review. This document is accompanied with a picture of the device in actual size, plus some other informative material and pictures. What we need to find out are: 1-) Does this device apply to any of the National Traffic and Motor Vehicle Safety regulations? 2-) Do we need to obtain any kind of import permit from your organization to proceed with the importation of the device? 3-) Based on the regulations, does the device require any testing and licensing prior to actual commencement of importation? 4-) What types product liabilities should our company entertain, as the sole importer and distributor of this device? 5-) Can these liabilities be covered through appropriate insurance coverages. And if so, please kindly, supply us with a list of insurance companies that are currently involved in such underwritings. After the review of the material, you would realize that, this device is primarily designed to increase safety for the driver and other passengers, rather than the pet's. Therefore, we believe the prompt promotion and marketing of this device in the U.S., would directly contribute to relative improvement in highway and traffic safety concerns of your respected organization. We would strongly entertain your suggestions, comments and advise on this matter. I am looking forward to your kind response, mean while I remain. ENCLS: AS STATED IN TEXT |
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ID: nht94-5.20OpenTYPE: INTERPRETATION-NHTSA DATE: December 29, 1994 FROM: Philip R. Recht -- Chief Counsel, NHTSA; John Womack TO: Antonio Salvetti TITLE: None ATTACHMT: ATTACHED TO LETTER DATED 10/13/94 FROM ANTONIO SALVETTI TO NHTSA CHIEF COUNSEL (OCC 10425) TEXT: This responds to your letter in which you inquired about a vehicle called an "AGM Playa." You stated that Advanced Generation Motors, Inc. (AGM) converts a Geo Metro or Suzuki Swift into an "AGM Playa" by removing the doors, cutting the roof and "redesigning the vehicle in fiberglass." You stated that the Playa has no doors but can be enclose d in canvas. The pictures you enclosed depicts a subcompact passenger car with no doors and no top but with the A and B pillars intact. A spare tire in a cover has been mounted on the outside of the back of the car. You asked four specific questions, w hich I will address after first providing some background information. 49 U.S. Code, @ 30101, et seq. (hereinafter referred to as the Safety Act) authorizes the National Highway Traffic Safety Administration (NHTSA) to issue Federal motor vehicle safety standards (FMVSS) applicable to new motor vehicles and new items of mot or vehicle equipment. The Safety Act further provides that no person may manufacture for sale, sell, offer for sale, introduce into interstate commerce, or import into the United States any new motor vehicle or new item of motor vehicle equipment unless that vehicle or item of equipment complies with all FMVSSs applicable to that product on the date of its manufacture. In addition, the Safety Act establishes a self-certification system in which manufacturers are responsible not only for ensuring that their vehicles or equipment comply with all applicable FMVSSs, but also for certifying such compliance. That certification must be displayed in the form of a label as required by 49 CFR Parts 567 and 568. It appears that the modifications made to the original vehicle makes AGM an alterer of new motor vehicles. An "alterer" is one who, before sale of a previously-certified new motor vehicle to its first retail purchaser, modifies the vehicle other than by the addition, substitution, or removal of readily attachable components such as mirrors or tire and rim assemblies, or minor finishing operations such as painting, or by altering a vehicle so that its stated weight ratings are no longer valid (49 CFR 56 7.7). 49 CFR 567.7 requires the alterer to ensure that the vehicle, as altered, conforms to the FMVSSs affected by the alteration(s) and to certify to that effect in accordance with 49 CFR 567.7. Alterers make such certification by affixing a permanent label to the altered vehicle identifying the alterer and the date of alteration. The label must also include a statement that the vehicle, as altered, continues to comply with all applicable FMVSSs. Finally, the alterer must allow the original manufac turer's certification label to remain affixed to the vehicle. With that background in mind, I turn now to your specific questions. a. Is this vehicle approved to be on the streets? ANSWER: As stated above, manufacturers must ensure that their vehicles or equipment meet all FMVSSs and certify such compliance. NHTSA does not approve, disapprove, endorse, or offer assurances of c ompliance of any product in advance of the manufacturer's certification. Rather, NHTSA enforces compliance with the standards as explained in c below. In addition, states have authority to regulate the use of motor vehicles. Therefore, if the state ac cepts the vehicle for registration, that is an indication that the vehicle meets all state requirements. Accordingly, you should contact your state authorities to determine if the vehicle would meet Florida's licensing and registration requirements. If the required certifications are affixed to the vehicle as discussed above, and if the vehicle is properly registered under state law, the vehicle may be operated "on the streets." As explained in c below, NHTSA has the authority to determine, in the course of compliance or defect proceedings, that a particular vehicle is unsafe. In that event, the vehicle manufacturer will be required to recall the vehicle and remedy the unsafe f eature. We do not prohibit a recalled vehicle from being operated on the streets. Again, the use of motor vehicles is a matter of state law. b. How do I know that they [vehicles) comply with all the safety requirements? ANSWER: As discussed above, manufacturers and alterers are required to indicate their respective certifications by labels permanently affixed to the vehicle. Look for su ch labels or ask the alterer to point them out to you. c. How are they (alterer) responsible for any vehicle problems? ANSWER: NHTSA enforces the FMVSSs in proceedings in which the agency purchases vehicles or equipment at retail and tests them in accordance with the test procedures specified in the sta ndards. If the product "passes" the compliance tests, no further action is taken. If a noncompliance is found, the manufacturer must notify the purchasers of the product and remedy the problem at no expense to the purchasers (i.e., "recall" the product ). NHTSA also investigates safety related defects. If either NHTSA or the manufacturer identifies a defect affecting motor vehicle safety, the manufacturer must recall the product. NHTSA also has authority to oversee how some commercial businesses modify new and used vehicles. 49 U.S.C. @ 30122 provides that a manufacturer, distributor, dealer, or motor vehicle repair business may not knowingly make inoperative any device or eleme nt of design installed in or on a vehicle in compliance with an FMVSS unless that manufacturer, etc., reasonably believes that the vehicle will not be used while the device is inoperative. Violation of this provision could subject the violator to civil penalties of up to $ 1,000 per violation, or a maximum penalty of up to $ 800,000 for a series of related violations (49 U.S.C. @ 30165). Apart from what is required by the FMVSSs, presumably the vehicle you purchase will be covered by a warranty of some kind. As a consumer, you should ascertain whether the alterer warrants the work and/or whether the vehicle manufacturer's warranty may b e voided by the alterations. d. Are there any other requirements beside safety to meet? ANSWER: NHTSA administers a number of programs in addition to the safety program of the FMVSSs. For example, new vehicles must meet fuel economy, bumper, and theft prevention standards in ad dition to the FMVSSs. I have enclosed an information sheet that briefly describes those programs. The responsibility to meet those requirements falls on the manufacturer and seller of the vehicle. As stated previously, this agency's authority, except for the defect, compliance, and making inoperative provisions of the Safety Act, terminates upon the first retail sale of a vehicle. After that, the use of that product becomes a matter of state conc ern. States may impose their own requirements with regard to use, inspection, registration, taxation, and so forth. Accordingly, you should contact your state department of motor vehicles for any further requirements that may be applicable to this "Pla ya" vehicle. I hope this information is helpful to you. |
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ID: 10425Open Mr. Antonio Salvetti Dear Mr. Salvetti: This responds to your letter in which you inquired about a vehicle called an "AGM Playa." You stated that Advanced Generation Motors, Inc. (AGM) converts a Geo Metro or Suzuki Swift into an "AGM Playa" by removing the doors, cutting the roof and "redesigning the vehicle in fiberglass." You stated that the Playa has no doors but can be enclosed in canvas. The pictures you enclosed depicts a subcompact passenger car with no doors and no top but with the A and B pillars intact. A spare tire in a cover has been mounted on the outside of the back of the car. You asked four specific questions, which I will address after first providing some background information. 49 U.S.Code, '30101, et seq.(hereinafter referred to as the Safety Act) authorizes the National Highway Traffic Safety Administration (NHTSA) to issue Federal motor vehicle safety standards (FMVSS) applicable to new motor vehicles and new items of motor vehicle equipment. The Safety Act further provides that no person may manufacture for sale, sell, offer for sale, introduce into interstate commerce, or import into the United States any new motor vehicle or new item of motor vehicle equipment unless that vehicle or item of equipment complies with all FMVSSs applicable to that product on the date of its manufacture. In addition, the Safety Act establishes a self-certification system in which manufacturers are responsible not only for ensuring that their vehicles or equipment comply with all applicable FMVSSs, but also for certifying such compliance. That certification must be displayed in the form of a label as required by 49 CFR Parts 567 and 568. It appears that the modifications made to the original vehicle makes AGM an alterer of new motor vehicles. An "alterer" is one who, before sale of a previously- certified new motor vehicle to its first retail purchaser, modifies the vehicle other than by the addition, substitution, or removal of readily attachable components such as mirrors or tire and rim assemblies, or minor finishing operations such as painting, or by altering a vehicle so that its stated weight ratings are no longer valid (49 CFR 567.7). 49 CFR 567.7 requires the alterer to ensure that the vehicle, as altered, conforms to the FMVSSs affected by the alteration(s) and to certify to that effect in accordance with 49 CFR 567.7. Alterers make such certification by affixing a permanent label to the altered vehicle identifying the alterer and the date of alteration. The label must also include a statement that the vehicle, as altered, continues to comply with all applicable FMVSSs. Finally, the alterer must allow the original manufacturer's certification label to remain affixed to the vehicle. With that background in mind, I turn now to your specific questions. a. Is this vehicle approved to be on the streets? ANSWER: As stated above, manufacturers must ensure that their vehicles or equipment meet all FMVSSs and certify such compliance. NHTSA does not approve, disapprove, endorse, or offer assurances of compliance of any product in advance of the manufacturer's certification. Rather, NHTSA enforces compliance with the standards as explained in c below. In addition, states have authority to regulate the use of motor vehicles. Therefore, if the state accepts the vehicle for registration, that is an indication that the vehicle meets all state requirements. Accordingly, you should contact your state authorities to determine if the vehicle would meet Florida's licensing and registration requirements. If the required certifications are affixed to the vehicle as discussed above, and if the vehicle is properly registered under state law, the vehicle may be operated "on the streets." As explained in c below, NHTSA has the authority to determine, in the course of compliance or defect proceedings, that a particular vehicle is unsafe. In that event, the vehicle manufacturer will be required to recall the vehicle and remedy the unsafe feature. We do not prohibit a recalled vehicle from being operated on the streets. Again, the use of motor vehicles is a matter of state law. b. How do I know that they [vehicles) comply with all the safety requirements? ANSWER: As discussed above, manufacturers and alterers are required to indicate their respective certifications by labels permanently affixed to the vehicle. Look for such labels or ask the alterer to point them out to you. c. How are they (alterer) responsible for any vehicle problems? ANSWER: NHTSA enforces the FMVSSs in proceedings in which the agency purchases vehicles or equipment at retail and tests them in accordance with the test procedures specified in the standards. If the product "passes" the compliance tests, no further action is taken. If a noncompliance is found, the manufacturer must notify the purchasers of the product and remedy the problem at no expense to the purchasers (i.e., "recall" the product). NHTSA also investigates safety related defects. If either NHTSA or the manufacturer identifies a defect affecting motor vehicle safety, the manufacturer must recall the product. NHTSA also has authority to oversee how some commercial businesses modify new and used vehicles. 49 U.S.C. '30122 provides that a manufacturer, distributor, dealer, or motor vehicle repair business may not knowingly make inoperative any device or element of design installed in or on a vehicle in compliance with an FMVSS unless that manufacturer, etc., reasonably believes that the vehicle will not be used while the device is inoperative. Violation of this provision could subject the violator to civil penalties of up to $1,000 per violation, or a maximum penalty of up to $800,000 for a series of related violations (49 U.S.C. '30165). Apart from what is required by the FMVSSs, presumably the vehicle you purchase will be covered by a warranty of some kind. As a consumer, you should ascertain whether the alterer warrants the work and/or whether the vehicle manufacturer's warranty may be voided by the alterations. d. Are there any other requirements beside safety to meet? ANSWER: NHTSA administers a number of programs in addition to the safety program of the FMVSSs. For example, new vehicles must meet fuel economy, bumper, and theft prevention standards in addition to the FMVSSs. I have enclosed an information sheet that briefly describes those programs. The responsibility to meet those requirements falls on the manufacturer and seller of the vehicle. As stated previously, this agency's authority, except for the defect, compliance, and making inoperative provisions of the Safety Act, terminates upon the first retail sale of a vehicle. After that, the use of that product becomes a matter of state concern. States may impose their own requirements with regard to use, inspection, registration, taxation, and so forth. Accordingly, you should contact your state department of motor vehicles for any further requirements that may be applicable to this "Playa" vehicle. I hope this information is helpful to you. Sincerely, Philip R. Recht Chief Counsel Enclosure ref:567 d:12/29/94
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1994 |
ID: 0484Open Mary M. Mann, Director Dear Ms. Mann: This responds to your letter of September 15, 1994, to Patrick Boyd of this agency. As he has told you, we did not receive a copy of it until around November 9. You ask for confirmation of your understanding of the conspicuity requirements of S5.7.1.4 of Federal Motor Vehicle Safety Standard No. 108 as they apply to large boat trailers, based upon a meeting you had with him and Taylor Vinson of this Office earlier in the summer. We have paraphrased your concerns for conciseness in our discussion which follows. Side treatment 1. Paragraph S5.1.1.9 allows a double-faced clearance lamp to be mounted at or near the midpoint of wide boat trailers to indicate the extreme width. Paragraph S5.7.1.4, in essence, prohibits retroreflective material from being closer than 75 mm to the edge of any required lamp. While the closest edge of the fender-mounted lamp will be further than 75 mm from the body-mounted retroreflective material, when viewed from the side the separation distance vanishes and the material appears next to the lamp. You asked whether this configuration complies with Standard No. 108. NHTSA regards this configuration as meeting the requirements of Standard No. 108 since the actual physical distance between the closest edge of the lamp and the material is more than 75 mm. But the more important point is that the spacing of side conspicuity material is a consideration only for required side lamps. The amber lamp in question is a front clearance lamp and the proximity of side facing reflectors has no effect on its visibility from the side. 2. Paragraph S5.7.1.4.1(a) requires that the material cover at least half the trailer length and that it be distributed as even as practicable. For purposes of calculating the 50 percent minimum, you asked whether the following two applications are acceptable: a) The sheeting can be on the angled portion of the trailer that is the tongue, regardless of its effect on the reflectivity of the tape when viewed from the side. NHTSA has traditionally included the trailer tongue in determining the overall length of the vehicle for compliance purposes. Therefore, sheeting applied to the trailer tongue may be used in calculating the 50 percent minimum. (b) The sheeting need not all be on the same horizontal plane. This is correct. If a manufacturer applies sheeting to the tongue and fender in fulfilling the 50% minimum obligation, the material need not be at the same height as the other sheeting on the trailer. However, wherever applied, each discrete portion of sheeting must be mounted as horizontal as practicable. Rear Treatment 1. Paragraph S5.7.1.4.1 specifies the application of three Elements of sheeting to the rear of trailers. However, it excuses container chassis and platform trailers without bulkheads from being equipped with Element 2 treatment, and trailers without underride protection devices from the requirements of Element 3. You asked whether NHTSA would also excuse boat trailers without bulkheads in the same manner as platform trailers, requiring compliance only with Element 1. This is correct. The configuration of a boat trailer without a bulkhead is essentially that of a platform trailer, and it may also be exempted from providing Element 2 conspicuity treatment. Due to their low heights, boat trailers are not equipped with rear underride devices, and those trailers without underride devices are excluded from the requirement for providing Element 3 treatment. 2. Element 1 retroreflective material is to be applied "across the full width of the trailer" but under paragraph S5.7.1(a) it need not be applied to "items of equipment such as door hinges and lamp bodies." There is a cross member at the rear which will have conspicuity treatment across the full width; however, mounting brackets attached to the cross member obscure portions of the conspicuity treatment. You asked for confirmation that this configuration is in accordance with Standard No. 108. The exclusionary term "items of equipment" is not limited to the two examples cited in S5.7.1(a), door hinges and lamp bodies. We believe that any equipment to which it is impracticable to apply retroreflective material may be excluded from the requirement. You have not included any pictures of the mounting brackets, but this will confirm that NHTSA regards the mounting brackets as "items of equipment" to which the treatment need not be applied, if it is impracticable to apply material to it. In this event, application of conspicuity treatment across the full width of the cross member meets Standard No. 108 even if the subsequently added mounting brackets without treatment obscure part of it. 3. Does NHTSA interpret "full width of the trailer" to include the rear of the fender assembly, so as to require the application of conspicuity treatment to it? You asked for confirmation that the phrase applies only to the rear of the frame. NHTSA has defined "overall vehicle width" to exclude flexible fender extensions, but it has not adopted a definition for "full width." We understand from your first question, on the centrally mounted clearance lamp, that boat trailer fenders will be located at or near the center of the trailer rather than at the rear. Under this circumstance, we interpret "full width" to include only the vehicle structure at the rear end of the trailer, including its frame and rear cross members. 4. With respect to the relative location of the edge of retroreflective sheeting to the edge of required lamps, S5.7.1.4(b) prohibits white sheeting from being closer than 75 mm to the edge of any required lamp whether red or amber, while S5.7.1.4(c) prohibits red sheeting from being closer than 75 mm to the edge of any required amber lamp only. You asked for confirmation "that the edge of the red portion of the sheeting may abut a rear identification lamp but that the white portion of the sheeting must be at lease (sic) 3mm (sic) from those lamps." (We believe you mean 3 inches). This is correct. S5.7.1.4(c) does not prohibit red sheeting from being closer than 75 mm (3 inches) to the red rear identification lamp, and the two may abut. However, S5.7.1.4(b) does not allow the edge of white sheeting to be closer than 75 mm to the edge of the luminous lens area of the identification lamp. Finally, you have asked for confirmation of your understanding "that it is not acceptable for trailer manufacturers to give rolls of reflexive sheeting tape and instructions to dealers regarding its application. Rather, the sheeting must be installed at the factory." We confirm your understanding. The manufacturer of the trailer is required to certify compliance of its product with all applicable Federal motor vehicle safety standards upon its completion and before its delivery for introduction into interstate commerce. As this certification includes compliance with S5.7 of Standard No. 108, the conspicuity treatment must be applied as part of the manufacturing process and not delegated to dealers. Sincerely,
Philip R. Recht Chief Counsel ref:108 d:1/11/95
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1995 |
ID: 06-007883asOpenJeff Vey, President Thoroughbred Motorsports P.O. Box 369 22611 FM 15 Troup, TX 75789 Dear Mr. Vey: This responds to your letter in which you seek clarification as to whether your product called the Thoroughbred Stallion, a three-wheeled vehicle designed for on-road use and weighing 1700 lbs, would be classified as a motorcycle for purposes of the Federal Motor Vehicle Safety Standards (FMVSSs). Based on the information provided in your letter and the analysis provided below, the Stallion would be considered a motorcycle for purposes of the FMVSSs. By way of background, the National Highway Traffic Safety Administration (NHTSA) is authorized to issue FMVSSs that set performance requirements for new motor vehicles and items of motor vehicle equipment. A manufacturer must certify compliance of the product with all applicable FMVSSs prior to offering such product for sale. Pursuant to the definition of "motorcycle" set forth in 49 CFR 571.3, all three-wheeled motor vehicles with motive power and a seat or saddle are classified as motorcycles, regardless of their weight. The pertinent portion of that section reads as follows: Motorcycle means a motor vehicle with motive power having a seat or saddle for the use of the rider and designed to travel on not more than three wheels in contact with the ground. As the Stallion is a three-wheeled motor vehicle with motive power, and has a seat for the rider, it would be considered a motorcycle under the FMVSS. We note that you asked your question in connection with concerns you have about how your vehicle may be classified under California law, and that you ask for our opinion in order to pursue legislative changes in California. Although we make no comment on California law, we note that if a State law classifies a vehicle differently than Federal law, preemption is an issue under 49 U.S.C. section 30103(b) if the State classification results in: (1) the vehicle being subject to a State standard that regulates the same aspect of performance regulated by an FMVSS, and (2) the State standard is not identical to the FMVSS. In such an instance, the State safety standard would be preempted. We hope this opinion is of assistance to you. If you have any other questions, please contact Ari Scott of my staff at (202) 366-2992. Sincerely, Anthony M. Cooke Chief Counsel d.3/5/07 ref:571 |
2007 |
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.