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Interpretation ID: nht71-1.39

DATE: 02/18/71

FROM: AUTHOR UNAVAILABLE; Lawrence R. Schneider; NHTSA

TO: Toyo Tire (U.S.A.) Corporation

TITLE: FMVSR INTERPRETATION

TEXT: This is in reply to your letter of February 2, 1971, to Mr. Casanova concerning Part 574 - Tire Identification and Record Keeping.

Adding a group of numbers consisting of three-digits to the tire identification number is not permitted under the regulation because the additional numbers 99:(Illegible Word) be too easily confused with the tire identification number.

You are not prohibited, however, from placing the additional three-digit number elsewhere on the tire in an area where it would not be confused with the required tire identification number. Anywhere further than six inches would be far enough to avoid confusion.