Section 385.413 - What happens if a motor carrier receives a proposed safety rating that is less than Satisfactory?(a) If a motor carrier does not already have a safety permit, it will not be issued a safety permit (including a temporary safety permit) unless and until a Satisfactory safety rating is issued to the motor carrier.(b) If a motor carrier holds a safety permit (including a temporary safety permit), the safety permit will be subject to revocation or suspension (see §385.421 ).