; (3) in subsection (c)(1)— (A) in subparagraph (A) by striking insurance and inserting Insurance ; (B) in subparagraph (B) by striking a and inserting A ; and (C) in subparagraph (C) by striking a surety and inserting A surety ; and (4) by adding at the end the following: (f) Prohibition of authority The Secretary may not increase the minimum level of financial responsibility established under subsection (b) by regulation or any other authority available to the Secretary. . (d) Relationship to other laws A requirement under this section to withdraw and rescind a rulemaking proposal shall apply without regard to any provision of statute or regulation that establishes a requirement to issue a rulemaking proposal on the issue. 5. Beyond compliance Section 5222(a) of the FAST Act ( 49 U.S.C. 31100 note; 129 Stat. 1540) is amended in the matter preceding paragraph (1) by inserting (other than a motor carrier of passengers) after motor carrier . 6. Corrective action plans regarding motor carriers of passengers Section 31144 of title 49, United States Code, is amended by adding at the end the following: (j) Corrective action plans submitted by motor carriers of passengers (1) Review of plans Not later than 30 days after the date of receipt of a corrective action plan submitted by a motor carrier of passengers that, on the basis of a safety fitness determination, has received a rating of unsatisfactory, conditional, or unfit, the Secretary shall accept or deny the plan. (2) Revisions (A) Notice of deficiencies If the Secretary denies a corrective action plan of a motor carrier of passengers, the Secretary shall— (i) advise the motor carrier of the specific deficiencies of the plan