Interpretation ID: nht71-2.4

DATE: 02/10/71

FROM: AUTHOR UNAVAILABLE; Lawrence R. Schneider; NHTSA

TO: Seiberling Tire & Rubber Company

TITLE: FMVSR INTERPRETATION

TEXT: This is in reply to your letter of January 28, 1971, to Mr. Diag concerning Part 574 - Tire Identification and Record Keeping regulations and to confirm that the fourth grouping, data code, may be placed at the end of the tire identification number by means of a separate serial tin and be separated from the third grouping by a space which will not exceed 3/4 of an inch.