Section 385.9 - Determination of a safety rating(a) Following a compliance review of a motor carrier operation, the FMCSA, using the factors prescribed in § 385.7 as computed under the Safety Fitness Rating Methodology set forth in appendix B of this part, shall determine whether the present operations of the motor carrier are consistent with the safety fitness standard set forth in § 385.5 , and assign a safety rating accordingly.(b) Unless otherwise specifically provided in this part, a safety rating will be issued to a motor carrier within 30 days following the completion of a compliance review.62 FR 60042, Nov. 6, 1997, as amended at 75 FR 17241 , Apr. 5, 2010; 77 FR 28450 , May 14, 2012