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Interpretation ID: aiam0289

Mr. W.D. Nonnamaker, Director-Tire Engineering and Development, Seiberling Tire & Rubber Company, Akron, OH 44309; Mr. W.D. Nonnamaker
Director-Tire Engineering and Development
Seiberling Tire & Rubber Company
Akron
OH 44309;

Dear Mr. Nonnamaker: This is in reply to your letter of January 28, 1971, to Mr. Dia concerning Part 574 - Tire Identification and Record Keeping regulations and to confirm that the fourth grouping, date 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.; Sincerely, Lawrence R. Schneider, Acting Chief Counsel