; or (B) if the Administrator has denied an application to renew the registration of such aircraft. . (b) Rulemaking; guidance Not later than 36 months after the date of enactment of this Act, the Administrator shall issue a final rule, if necessary, and update all applicable guidance and policies to reflect the amendment made by this section. 813. Temporary airman certificates Section 44703 of title 49, United States Code, is amended by adding at the end the following: (l) Temporary airman certificate An individual may obtain a temporary airman certificate from the Administrator after requesting a permanent replacement airman certificate issued under this section. A temporary airman certificate shall be— (1) made available— (A) electronically to the individual immediately upon submitting an online application for a replacement certificate to the Administrator; or (B) physically to the individual at a flight standards district office— (i) if the individual submits an online application for a replacement certificate; or (ii) if the individual applies for a permanent replacement certificate other than by online application and such application has been received by the Federal Aviation Administration; and (2) destroyed upon receipt of the permanent replacement airman certificate from the Administrator. . 814. Letter of deviation authority (a) In general A flight instructor, registered owner, lessor, or lessee of a covered aircraft shall not be required to obtain a letter of deviation authority from the Administrator to allow, conduct, or receive flight training, checking, and testing in such aircraft if— (1) the flight instructor is not providing both the training and the aircraft; (2) no person advertises or broadly offers the aircraft as available for flight training, checking, or testing