14 CFR 91.903 Policy and procedures
Subpart J—Waivers
A reference copy of the official regulation text for study. It is not legal advice or an FAA interpretation; always confirm against the current official source.
(a) The Administrator may issue a certificate of waiver authorizing the operation of aircraft in deviation from any rule listed in this subpart or any rule listed in this subpart as modified by subpart C of part 194 of this chapter if the Administrator finds that the proposed operation can be safely conducted under the terms of that certificate of waiver.
(b) An application for a certificate of waiver under this part is made on a form and in a manner prescribed by the Administrator and may be submitted to any FAA office.
(c) A certificate of waiver is effective as specified in that certificate of waiver.