Interpretation ID: aiam0124
Vice President
Firestone Tire and Rubber Company
Akron
Ohio 44317;
Dear Mr. Floberg: This will acknowledge your letters of July 12, 1968, October 10, 1968 and October 31, 1968, to the National Highway Safety Bureau requesting the addition of three 50 Series Centilevered Sidewall tire size designations to Federal Motor Vehicle Safety Standard No. 109.; On the basis of the data submitted indicating compliance with th requirements of Federal Motor Vehicle Safety Standards Nos. 109 and 110 and other information submitted in accordance with the procedural guidelines set forth in *Federal Register* Volume 33, No. 195, Page 14964, dated October 5, 1968, the E50C-16, F50C-16 and H50C-17 tire size designations will be listed within a new table to be established in Appendix A of standard No. 109 and the 3 1/2 inch rim size will be listed within Table I od the Appendix to Standard No. 110. These changes will be published in the *Federal Register* in the near future.; The addition of new tire size designations to the tables i accomplished through an abbreviated procedure consisting of the publication in the *Federal Register* of the petitioned tire sizes or tables. If no comments are received, the amendment becomes effective after 30 days from the date of publication. If comments objecting to amendments are received, additional rule making pursuant to part 216 of the Procedural Rules for Motor Vehicle Safety Standards will be considered.; Sincerely, H.M. Jacklin, Jr., Acting Director, Motor Vehicle Safet Performance Service;