49 CFR 381.215: What will the FMCSA do after the agency receives my request for a waiver?

(a) The Federal Motor Carrier Safety Administration will review your request and make a recommendation to the Administrator. The final decision whether to grant or deny the application for a waiver will be made by the Administrator.

(b) After a decision is signed by the Administrator, you will be sent a copy of the document, which will include the terms and conditions for the waiver or the reason for denying the application for a waiver.