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: nht95-5.49OpenTYPE: INTERPRETATION-NHTSA DATE: August 4, 1995 FROM: John Womack -- Acting Chief Counsel, NHTSA TO: The Honorable Chuck Chvala -- Wisconsin State Senator TITLE: NONE ATTACHMT: ATTACHED TO 7/24/95 LETTER FROM DOUG BURNETT TO DOROTHY NAKAMA TEXT: Dear Senator Chvala: This responds to a letter from U.S. Senator Russell D. Feingold on your behalf, asking whether a pending redefinition of Wisconsin's "school bus" definition would violate Federal law. Senator Feingold contacted the National Highway Traffic Safety Administration (NHTSA) because our agency administers the Federal requirements for school buses. I appreciate this opportunity to address your concerns. As explained below, my review leads me to conclude that Wisconsin's contemplated redefinition of a school bus would not conflict with Federal law, insofar as the redefinition relates to the operation of school buses. However, an area of possible conflict relates to the requirements for mirrors on school buses. By way of background information, Chapter 301 of Title 49 of the U.S. Code, authorizes NHTSA to issue Federal motor vehicle safety standards (FMVSS's) applicable to new motor vehicles and motor vehicle equipment. In 1974, Congress directed NHTSA to require new school buses to meet FMVSS's on specific aspects of school bus safety, including floor strength, seating systems, and crashworthiness. The legislation requires each person selling a new "school bus" to ensure that the vehicle is certified as meeting the school bus FMVSS's. Following the first retail purchase, the use of vehicles becomes a matter of state regulation. NHTSA defines a "school bus" as a "bus" that is sold for purposes that include carrying students to and from school or related events, and defines a "bus" as a vehicle designed to carry 11 or more persons. 49 CFR 571.3. We understand that the new definition contemplated by Wisconsin would exclude some vehicles that are school buses under our definition. Information from Mr. Doug Burnett of your staff indicates that the new definition would define a school bus as "a motor vehicle which carries 16 or more passengers (in addition to the operator)." Thus, a motor vehicle that can carry 11-16 persons (including the driver) would be a "school bus" for Federal purposes, but apparently not for Wisconsin's purposes. Since the States, and not NHTSA, regulate the use of vehicles, the inconsistency would be immaterial with regard to requirements adopted by Wisconsin pertaining to the use of school buses. Wisconsin may set the operational requirements for those vehicles the State defines as "school buses" without regard to our school bus definition. However, the inconsistency would matter at the point of sale of a new school bus. The FMVSS's specify requirements for school buses that do not apply to other buses. See, e.g., 49 CFR part 571.222, School bus passenger seating and crash protection. A decision by Wisconsin to adopt a definition other than the Federal definition of a school bus has no effect on the application of the Federal school bus safety standards to a vehicle. Any person selling a new "bus" (a vehicle designed to carry 11 or more persons) to a school must sell a certified "school bus," regardless of whether the vehicle is considered a school bus under Wisconsin law. The vehicle would have to be equipped with the safety features NHTSA requires for school buses. The information provided by Mr. Burnett indicates that Wisconsin would redefine "school bus" for two purposes. First, Wisconsin would prohibit the operation of a "school bus" -- a vehicle with a capacity of 17 persons (including the driver) -- unless the bus has a specific type of mirror. (Section 347.40) As explained above, this requirement would not affect NHTSA's requirement that vehicles considered to be "school buses" under our definition must be equipped with the mirrors and other safety features we require for school buses, even if the vehicles are not "school buses" under Wisconsin law. Chapter 301 further provides that a Federal standard preempts any state or local standard applicable to the same aspect of performance that is not identical to the Federal standard. 49 U.S.C. 30103(b). A State standard for mirrors that is not identical to the Federal standard is preempted unless it imposes a higher level of safety and is applicable only to vehicles procured for the State's own use (e.g., public school buses). Wisconsin's requirements for school bus mirrors could be preempted, depending on the type of mirror required and whether the vehicles equipped with it are public buses. We understand that the second purpose of Wisconsin's contemplated redefinition of a school bus is to require privately-owned vehicles carrying 15 or fewer students to be insured by a policy providing specified minimum coverage. (Section 121.555). This provision concerns matters wholly within State law and would not conflict with Federal law. I hope the above information is helpful to you. If you have any further questions or need additional information, please contact me or Dorothy Nakama of my staff at this address, or at (202) 366-2992. |
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ID: nht95-3.70OpenTYPE: INTERPRETATION-NHTSA DATE: August 4, 1995 FROM: John Womack -- Acting Chief Counsel, NHTSA TO: The Honorable Chuck Chvala -- Wisconsin State Senator TITLE: NONE ATTACHMT: ATTACHED TO 7/24/95 LETTER FROM DOUG BURNETT TO DOROTHY NAKAMA TEXT: Dear Senator Chvala: This responds to a letter from U.S. Senator Russell D. Feingold on your behalf, asking whether a pending redefinition of Wisconsin's "school bus" definition would violate Federal law. Senator Feingold contacted the National Highway Traffic Safety Admini stration (NHTSA) because our agency administers the Federal requirements for school buses. I appreciate this opportunity to address your concerns. As explained below, my review leads me to conclude that Wisconsin's contemplated redefinition of a school bus would not conflict with Federal law, insofar as the redefinition relates to the operati on of school buses. However, an area of possible conflict relates to the requirements for mirrors on school buses. By way of background information, Chapter 301 of Title 49 of the U.S. Code, authorizes NHTSA to issue Federal motor vehicle safety standards (FMVSS's) applicable to new motor vehicles and motor vehicle equipment. In 1974, Congress directed NHTSA to requ ire new school buses to meet FMVSS's on specific aspects of school bus safety, including floor strength, seating systems, and crashworthiness. The legislation requires each person selling a new "school bus" to ensure that the vehicle is certified as mee ting the school bus FMVSS's. Following the first retail purchase, the use of vehicles becomes a matter of state regulation. NHTSA defines a "school bus" as a "bus" that is sold for purposes that include carrying students to and from school or related events, and defines a "bus" as a vehicle designed to carry 11 or more persons. 49 CFR 571.3. We understand that the new definition contemplated by Wisconsin would exclude some vehicles that are school buses under our definition. Information from Mr. Doug Burnett of your staff indicates that the new definition would define a school bus as "a mot or vehicle which carries 16 or more passengers (in addition to the operator)." Thus, a motor vehicle that can carry 11-16 persons (including the driver) would be a "school bus" for Federal purposes, but apparently not for Wisconsin's purposes. Since the States, and not NHTSA, regulate the use of vehicles, the inconsistency would be immaterial with regard to requirements adopted by Wisconsin pertaining to the use of school buses. Wisconsin may set the operational requirements for those vehicle s the State defines as "school buses" without regard to our school bus definition. However, the inconsistency would matter at the point of sale of a new school bus. The FMVSS's specify requirements for school buses that do not apply to other buses. See, e.g., 49 CFR part 571.222, School bus passenger seating and crash protection. A d ecision by Wisconsin to adopt a definition other than the Federal definition of a school bus has no effect on the application of the Federal school bus safety standards to a vehicle. Any person selling a new "bus" (a vehicle designed to carry 11 or more persons) to a school must sell a certified "school bus," regardless of whether the vehicle is considered a school bus under Wisconsin law. The vehicle would have to be equipped with the safety features NHTSA requires for school buses. The information provided by Mr. Burnett indicates that Wisconsin would redefine "school bus" for two purposes. First, Wisconsin would prohibit the operation of a "school bus" -- a vehicle with a capacity of 17 persons (including the driver) -- unless th e bus has a specific type of mirror. (Section 347.40) As explained above, this requirement would not affect NHTSA's requirement that vehicles considered to be "school buses" under our definition must be equipped with the mirrors and other safety feature s we require for school buses, even if the vehicles are not "school buses" under Wisconsin law. Chapter 301 further provides that a Federal standard preempts any state or local standard applicable to the same aspect of performance that is not identical to the Federal standard. 49 U.S.C. 30103(b). A State standard for mirrors that is not identical to the Federal standard is preempted unless it imposes a higher level of safety and is applicable only to vehicles procured for the State's own use (e.g., public school buses). Wisconsin's requirements for school bus mirrors could be preempted, dependi ng on the type of mirror required and whether the vehicles equipped with it are public buses. We understand that the second purpose of Wisconsin's contemplated redefinition of a school bus is to require privately-owned vehicles carrying 15 or fewer students to be insured by a policy providing specified minimum coverage. (Section 121.555). This p rovision concerns matters wholly within State law and would not conflict with Federal law. I hope the above information is helpful to you. If you have any further questions or need additional information, please contact me or Dorothy Nakama of my staff at this address, or at (202) 366-2992. |
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ID: nht92-9.6OpenDATE: February 14, 1992 FROM: Paul Jackson Rice -- Chief Counsel, NHTSA TO: David Klopp -- Freedman Seating Company TITLE: None ATTACHMT: Attached to letter dated 1/30/92 from David Klopp to Mary Versailles (OCC 6926) TEXT: This responds to your fax of January 30, 1992 to Mary Versailles of my staff asking whether the anchorage strength test in Standard No. 210, Seat belt assembly anchorages, requires simultaneous testing of seat belt anchorages located on the seat frame of a seat having multiple seating positions. Under the current requirements of S4.2.4 of Standard No. 210, only floor-mounted anchorages are subject to simultaneous testing. The requirement applicable to vehicles with seat-mounted safety belt anchorages, S4.2.4 of Standard No. 210, has been changed, effective September 1, 1992. For a vehicle manufactured on or after that date, seat-mounted anchorages will be tested simultaneously by loading all anchorages common to the same occupant seat. I hope you find this information helpful. If you have any further questions please contact Mary Versailles at this address or by phone at (202) 366-2992. |
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ID: nht93-7.46OpenDATE: November 1, 1993 FROM: Dan Neaga -- Project Engineer, Advanced Engineering Business Unit, Johnson Controls, Inc.; Dianna Sabo -- Engineering Manager, Advanced Engineering Business Unit, Johnson Controls Inc. TO: DOCKET SECTION, NHTSA COPYEE: S. Furr; B. Batzer TITLE: Re: Request For Clarification On FMVSS 213 S5.2.2.1 (b) ATTACHMT: Attached To Letter Dated 6/9/94 From John Womack To Dan Neaga And Dianna Sabo (A42; Std. 213) TEXT: Dear Sir/Madam: This letter is in regard to FMVSS 213 S5.2.2.1 (b). Johnson Controls, Inc. designs child seats for children that weigh from 20 to 60 pounds. We have developed a new design for an Integrated Child Restraint System (ICRS) that uses the same seat back surface as the adult occupant. Therefore, no lateral support other than the one offered to the adult occupant is provided. We have enclosed a set of three illustrations that show a generic adult seat (a) with the child seat in fully stored position; (b) with the child seat deploying; (c) with the child seat fully deployed. The wording in FMVSS 213 S5.2.2.1 (b) is "Each system surface provided for support of the side of the child's torso shall be flat or concave and have a continuous surface of not less than 24 square inches for systems recommended for children weighing 20 pounds or more . . . ", and we have interpreted it to mean that lateral support is not necessarily required. Please confirm that surface provided for support of the side of the child's torso is not required by FMVSS 213 under these circumstances. The information and design concepts that we have provided you with are confidential. If you need additional information regarding this matter, please contact me at the above address, or you may reach me at [Illegible Word]. My fax number, should you require it, is (313) 454-7874. 2 We thank you very much for your cooperation and look forward to hearing from you soon. Sincerely, JOHNSON CONTROLS, INC. Enclosures |
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ID: nht88-3.23OpenTYPE: INTERPRETATION-NHTSA DATE: 08/26/88 FROM: ERIKA Z. JONES -- CHIEF COUNSEL NHTSA TO: JIM SCHULD -- MILL SUPPLY INC. TITLE: NONE ATTACHMT: LETTER DATED 10/20/87 TO OFFICE OF CHIEF COUNSEL -- NHTSA FROM JIM SCHULD, OCC - 1177 TEXT: Dear Mr. Schuld: This responds to your letter asking for information concerning the application of Federal safety standards to your manufacture of a jump seat that you said would be "removable and able to be transferred from one truck to another." I apologize for the del ay in responding. Generally, Federal motor vehicle seating standards apply to motor vehicles prior to their first purchase by a consumer, and not to "aftermarket" seating components added to a vehicle after such purchase. However, several of our safety standards could apply to your product if the seat is installed in a new vehicle prior to the vehicle's first sale to a consumer. Federal law would also affect your installation of the jump seat in new or used vehicles. By way of background information, the National Highway Traffic Safety Administration (NHTSA) is authorized by the National Traffic and Motor Vehicle Safety Act to issue Federal motor vehicle safety standards that set performance requirements for new moto r vehicles and items of motor vehicle equipment. NHTSA is not authorized to certify or approve motor vehicles or motor vehicle equipment for compliance with our Federal motor vehicle safety standards. Instead, under the National Traffic and Motor Vehicl e Safety Act (copy enclosed), each manufacturer of a motor vehicle or item of motor vehicle equipment is responsible for certifying that its products meet all applicable safety standards. The following represents our opinion based on the information pro vided in your letter. There is currently no Federal motor vehicle safety standard that is directly applicable to a removable jump seat sold directly to a consumer. Federal seating standards generally apply only to completed new motor vehicles and not to items of equipment su ch as a removable jump seat. However, as a manufacturer of motor vehicle equipment, you are subject to the requirements in sections 151-159 of the Safety Act concerning the recall and remedy of products with defects relating to motor vehicle safety. I have enclosed an information sheet that briefly describes those responsibilities. In the event that you or NHTSA determines that your jump seats contain a safety related defect, you would be responsible for notifying purchasers of the defective equipment and remedying the problem free of charge. If your product will be installed on a new vehicle prior to the vehicle's first sale to a consumer, then the manufacturer of the vehicle will have certain responsibilities relating to its obligation under the Safety Act to certify the new vehicle as meet ing all applicable Federal motor vehicle safety standards. Federal standards for seating systems (Standard No. 2077) and crash protection (Standard No. 208) apply to designated seating positions in new vehicles. While these standards do not apply to au xiliary seating accommodations (e.g., temporary or folding jump seats), the determination must be made whether your apparatus falls into this latter category and is thus excluded from coverage. Unfortunately, information provided in your letter did not describe your jump seat in sufficient detail for us to offer an opinion as to whether your particular seat is an auxiliary seating accommodation. Photographs or engineering diagrams of your product would assist us in determining whether the seat would be considered an auxiliary seating accommodation, and thus excluded from coverage under Standard Nos. 207 and 208 if installed on new vehicles. Another Federal standard to which the vehicle manufacturer must certify its vehicle as conforming is Standard No. 302, Flammability of Interior Materials. This standard establishes flammability requirements that must be met by certain vehicle components including seat cushions and seat backs on any occupant seat installed in a new vehicle prior to the vehicle's first sale to a consumer. A manufacturer installing your jump seat on a new vehicle would thus be required to ensure that any seat cushion or s eat back on your product conforms to the flammability resistance requirements of the standard. You should also be aware that there are statutory considerations that affect the installation of your jump seats in new and used vehicles. Section @ 108(a)(2)(A) of the Vehicle Safety Act specifies: "No manufacturer, distributor, dealer, or motor vehicl e repair business shall knowingly render inoperative ... any device or element of design installed on or in a motor vehicle or item of motor vehicle equipment in compliance with an applicable Federal motor vehicle safety standard ..." This section requir es manufacturers, distributors, dealers or motor vehicle repair businesses (i.e., any person holding him or herself out to the public as in the business of repairing motor vehicles or motor vehicle equipment for compensation) installing the jump seat to ensure that the addition of the apparatus would not negatively affect the compliance of any component or design on a vehicle with applicable Federal safety standards. For example, the commercial entity must ensure that the addition of the jump seat does not degrade from the safety of existing seating or occupant protection systems on the vehicle. Section 109 of the Act specifies a civil penalty of up to $1,000 for each violation of $108. In summary, removable jump seats sold to motor vehicle owners as items of aftermarket equipment are not subject to any Federal motor vehicle safety standard. The seat could be subject to Federal standards for seating performance and occupant crash and flammability protection if it is installed on new vehicles prior to the vehicle's first sale. Commercial businesses are prohibited from installing the jump seat if the result renders inoperative the compliance of r equisite safety components or designs with Federal safety standards. Individual owners, however, are not covered by @ 108(a)(2)(A) and may themselves install the jump seat in their vehicles without regard to the rendering inoperative prohibition of the Safety Act. To repeat, you as the equipment manufacturer would be obligated to recall and remedy seats that contain a defect related to motor vehicle safety, even if the seats were installed by vehicle owners themselves. Please feel free to contact us if you have further questions. ENCLOSURE Sincerely, |
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ID: nht92-2.24OpenDATE: 11/16/92 FROM: PAUL JACKSON RICE -- CHIEF COUNSEL, NHTSA TO: MICHAEL J. VACANTI ATTACHMT: ATTACHED TO LETTER DATED 10-1-92 FROM MICHAEL J. VACANTI TO NHTSA OFFICE OF THE CHIEF COUNSEL (OCC 7823) TEXT: This responds to your letter seeking information on how the laws and regulations administered by this agency would apply to a device you have designed. According to your letter, this device is an aftermarket accessory. The accessory is a polyurethane device that latches onto the lap/shoulder belt and changes the angle at which the shoulder belt crosses a child's torso. The device is intended to improve shoulder belt fit for children that have outgrown child safety seats. I am pleased to have this chance to explain our laws and regulations to you. The National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1381 et seg.; the Safety Act) authorizes this agency to issue motor vehicle safety standards for new motor vehicles and new items of motor vehicle equipment. We have exercised this authority to establish Standard No. 208, Occupant Crash Protection (49 CFR @ 571.208). This standard requires new motor vehicles to be equipped with safety belts and requires that those belts meet specified fit and comfort requirements, as set forth in S7 of the standard. However, Standard No. 208 does not apply to aftermarket items that seek to alter belt fit and/or comfort. Hence, you are not required to certify that this device complies with Standard No. 208 before offering the device for sale. In addition, you are not required to get some sort of "approval" from this agency before offering this device for sale. NHTSA has no authority to "approve" motor vehicles or motor vehicle equipment, nor do we 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. As stated above, this device is not subject to any safety standard, so you do not have to make any certification. Although none of our safety standards directly apply to this device, there are several provisions in the Safety Act that are relevant. Manufacturers of motor vehicle equipment such as your belt positioning device are subject to the requirements in sections 151-159 of the Safety Act (15 U.S.C. 1411-1419) concerning the recall and remedy of products with defects related to motor vehicle safety. In addition, use of your product could be affected by section 108(a)(2)(A) of the Safety Act (15 U.S.C. 1397(a)(2)(A)). That section prohibits manufacturer, distributors, dealers, and repair shops from knowingly "rendering inoperative," in whole or in part, any device or element of design installed on or in a vehicle in compliance with an applicable safety standard. There are two elements of design in a vehicle that might be "rendered inoperative" by the use of your belt positioning device. One is the occupant protection afforded by belts that meet the specified fit and comfort requirements. The other element of design that could be rendered inoperative by the use of your belt positioning device is the burn resistance required by Standard No. 302, Flammability of Interior Materials (49 CFR @ 571.302). The materials used in the interior of vehicles, including the seat belts, seat backs and cushions, trim panels, and headliner must comply with the burn resistance requirements of Standard No. 302 to reduce deaths and injuries in the event of a fire in the vehicle's interior. If your belt positioning device renders inoperative the belt fit and comfort requirements specified in Standard No. 208 or does not comply with burn resistance requirements, it could not be installed in a vehicle by any manufacturer, distributor, dealer, or repair shop. I have enclosed a general information sheet for new manufacturers that gives a thumbnail sketch of NHTSA's regulations and provides information on how to obtain copies of those regulations. I hope that this information is helpful. If you have any further questions or need some additional information, please feel free to contact Steve Kratzke of my staff at this address or by telephone at (202) 366-2992. |
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ID: 7823Open Michael J. Vacanti Dear Mr. Vacanti: This responds to your letter seeking information on how the laws and regulations administered by this agency would apply to a device you have designed. According to your letter, this device is an aftermarket accessory. The accessory is a polyurethane device that latches onto the lap/shoulder belt and changes the angle at which the shoulder belt crosses a child's torso. The device is intended to improve shoulder belt fit for children that have outgrown child safety seats. I am pleased to have this chance to explain our laws and regulations to you. The National Traffic and Motor Vehicle Safety Act (15 U.S.C. 1381 et seq.; the Safety Act) authorizes this agency to issue motor vehicle safety standards for new motor vehicles and new items of motor vehicle equipment. We have exercised this authority to establish Standard No. 208, Occupant Crash Protection (49 CFR 571.208). This standard requires new motor vehicles to be equipped with safety belts and requires that those belts meet specified fit and comfort requirements, as set forth in S7 of the standard. However, Standard No. 208 does not apply to aftermarket items that seek to alter belt fit and/or comfort. Hence, you are not required to certify that this device complies with Standard No. 208 before offering the device for sale. In addition, you are not required to get some sort of "approval" from this agency before offering this device for sale. NHTSA has no authority to "approve" motor vehicles or motor vehicle equipment, nor do we 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. As stated above, this device is not subject to any safety standard, so you do not have to make any certification. Although none of our safety standards directly apply to this device, there are several provisions in the Safety Act that are relevant. Manufacturers of motor vehicle equipment such as your belt positioning device are subject to the requirements in sections 151-159 of the Safety Act (15 U.S.C. 1411-1419) concerning the recall and remedy of products with defects related to motor vehicle safety. In addition, use of your product could be affected by section 108(a)(2)(A) of the Safety Act (15 U.S.C. 1397(a)(2)(A)). That section prohibits manufacturer, distributors, dealers, and repair shops from knowingly "rendering inoperative," in whole or in part, any device or element of design installed on or in a vehicle in compliance with an applicable safety standard. There are two elements of design in a vehicle that might be "rendered inoperative" by the use of your belt positioning device. One is the occupant protection afforded by belts that meet the specified fit and comfort requirements. The other element of design that could be rendered inoperative by the use of your belt positioning device is the burn resistance required by Standard No. 302, Flammability of Interior Materials (49 CFR 571.302). The materials used in the interior of vehicles, including the seat belts, seat backs and cushions, trim panels, and headliner must comply with the burn resistance requirements of Standard No. 302 to reduce deaths and injuries in the event of a fire in the vehicle's interior. If your belt positioning device renders inoperative the belt fit and comfort requirements specified in Standard No. 208 or does not comply with burn resistance requirements, it could not be installed in a vehicle by any manufacturer, distributor, dealer, or repair shop. I have enclosed a general information sheet for new manufacturers that gives a thumbnail sketch of NHTSA's regulations and provides information on how to obtain copies of those regulations. I hope that this information is helpful. If you have any further questions or need some additional information, please feel free to contact Steve Kratzke of my staff at this address or by telephone at (202) 366-2992. Sincerely,
Paul Jackson Rice Chief Counsel Enclosure ref:VSA#208 d:11/16/92 |
1992 |
ID: GRUMMANOLSON.CRSOpen Mr. David White Dear Mr. White: This responds to your letter of May 7, 2001, requesting the National Highway Traffic Safety Administration (NHTSA) to approve an alternate location for placement of the certification label on delivery trucks that Grumman Olson Industries is manufacturing for the U.S. Postal Service. NHTSA's regulations at 49 CFR 567.4(c) prescribe specific locations for the installation of vehicle certification labels, and provide that if none of those locations are practicable, the manufacturer may suggest an alternate location for the agency's approval. Your letter states that during the first article inspection, the Postal Service requested that Grumman Olson Industries relocate the certification label to the dash shelf extension to the right of the instrument panel so that the driver can see the label from a seated position. Your letter further notes that because these vehicles are walk-in vans with removable sliding doors, placement of the label on the inward-facing surface of the door next to the driver's seating position would not be practicable. Your letter observes that the "[t]he proposed location is visible from almost all locations in the cab," and that the certification label can be easily found at this position in the event that any information that it contains is needed. In specifying locations for the placement of vehicle certification labels, NHTSA's objective is to ensure that those labels may be easily read. The location that you have proposed for the delivery trucks that Grumman Olson Industries is manufacturing for the U.S. Postal Service would meet this objective. NHTSA therefore approves your request. If you have any further questions regarding vehicle certification requirements, feel free to contact Coleman Sachs of my staff at 202-366-5238. Sincerely, John Womack ref:567 |
2001 |
ID: nht67-1.18OpenDATE: 06/16/67 FROM: AUTHOR UNAVAILABLE: Robert M. O'Mahoney; NHTSA TO: Peugeot, Inc. TITLE: FMVSS INTERPRETATION TEXT: In answer to your letter of May 26, concerning Federal Motor Vehicle Safety Standards Nos. 208 and 210, your interpretation is correct: a four-passenger automobile (such an the Peugeot 404) must have two Type 2 seat belt assemblies for the front seat passengers if the windshield header is within the head impact area, two Type 1 or Type 2 sent belt assemblies for the front seat passengers if the windshied hender is not within the hand impact area, and two Type 1 seat belt assemblies for the rear seat passengers. However anchorages for Type 2 seat belt assemblies are required in the rear to enable the owner to install Type 2 seat belt assemblies should he desire to afford his rear seat passengers this means of protection. May 26, 1967 Mr. O'Mahoney National Traffic Safety Agency United States Dept. of Commerce Regarding our telephone conversation of May 26, I am in need of legal interpretation concerning Standards 208 and 210. According to Standard 208, paragraph S3.1.1, Type 2 seat belt assembly should be installed in each outboard passenger car in the front seat position, including the windshield, within the impact area, which, in my mind includes the front seats only. Thus, the rear seats should have only Type 1 (lap belt). From Standard 210, table 1, it seems to clearly indicate that we must have seal belt anchorages for a Type 2 seat belt in outboard seats in the rear, but it does not expressly state that the Type 2 seat belts should be installed in the outboard seats in the rear. Would you kindly let me know if my interpretation is correct: on a 4-passenger car, we should have Type 2 seat belts in the front, Type 1 seat belts in the rear, but anchorages in the rear for Type 2 and Type 1 seat belts. Thank you very much in advance for your reply. Henri B. Combe Executive Vice President |
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ID: aiam4785OpenMr. William T. Mullen Undersheriff of McHenry County, Illinois 2200 N. Seminary Ave. Woodstock, IL 60098; Mr. William T. Mullen Undersheriff of McHenry County Illinois 2200 N. Seminary Ave. Woodstock IL 60098; "Dear Mr. Mullen: This responds to your letter asking about Federa requirements for safety belts in police cars. Specifically, you asked if your police department could legally remove the automatic belts that are installed and replace them with manual lap/shoulder safety belts. You stated that the reasons for making such a substitution would be to alleviate two problems your police officers have experienced with the automatic belts that were not present in older models that had manual lap/shoulder belts at the front seating positions. First, you said that the automatic belts result in a blind spot on the driver's left side. Second, you said that the automatic belts 'prevent left arm movements' of your taller officers. I appreciate this opportunity to respond to your concerns. I have enclosed copies of two previous letters we have written on the subject of removing or replacing occupant protection features from police cars. The first of these is a July 29, 1985 letter to Corporal Frank Browne and the other is a May 25, 1989 letter to Senator Harry Reid. These letters explain that new vehicles purchased by police departments must be certified as complying with the occupant crash protection standard (Federal Motor Vehicle Safety Standard No. 208). All cars manufactured on or after September 1, 1989 must provide automatic crash protection for front seat occupants. To date, manufacturers have provided automatic crash protection either by installing air bags or automatic safety belts. General Motors, the manufacturer of the police cars in question, has chosen to comply with the requirement for automatic crash protection by installing automatic safety belts in these cars. Federal law prohibits any manufacturer, distributor, dealer, or motor vehicle repair business from replacing the automatic belts in these police cars with manual lap/shoulder belts. Thus, none of these commercial entities could make such a replacement on behalf of the County without violating Federal law. However, Federal law does not prohibit individual vehicle owners from removing safety features from their own vehicles. Thus, McHenry County itself can replace the automatic belts in its own cars without violating any Federal law, just as any resident of McHenry County can remove any safety equipment they like from their own vehicles without violating any Federal laws. Such actions may, however, violate the laws of the State of Illinois. I recommend that you carefully consider the effects of replacing the automatic belts in your police cars, even though Federal law does not prohibit the County itself from making these modifications to its own vehicles. The automatic belts in these cars help to assure safety belt use by police officers on the job. Particularly since the McHenry County police officers face the possibility of becoming involved in high speed pursuit situations, we believe it is important that they use safety belts for effective protection in case of a crash. If you decide to replace the automatic belts in these vehicles with manual lap/shoulder belts, we would urge you to take some actions to assure that the police officers will use the manual lap/shoulder belts every time they ride in the police cars. I hope this information is helpful. If you have any further questions or need some additional information on this subject, please let me know. Sincerely, Paul Jackson Rice Chief Counsel Enclosures"; |
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.