Each certificate holder shall notify the responsible Flight Standards office charged with the overall inspection of its operations, in writing, at least 30 days in advance, of any change in the address of its principal business office, its principal operations base, or its principal maintenance base.
[Docket 19779, 45 FR 67235, Oct. 9, 1980, as amended by Docket FAA-2018-0119, Amdt. 125-68, 83 FR 9173, Mar. 5, 2018]