49 CFR § 381.330
What am I required to do if the FMCSA grants my application for an exemption?
November 18, 2020
(a) You must comply with all the terms and conditions of the exemption.
(b) The FMCSA will immediately revoke your exemption if:
(1) You fail to comply with the terms and conditions of the exemption;
(2) The exemption has resulted in a lower level of safety than was maintained before the exemption was granted; or
(3) Continuation of the exemption is determined by the FMCSA to be inconsistent with the goals and objectives of the FMCSRs.