14 C.F.R. § 47.45 Change of address.
Title 14 - Aeronautics and Space
Within 30 days after any change in his permanent mailing address, the holder of a Certificate of Aircraft Registration for an aircraft shall notify the FAA Aircraft Registry of his new address. A revised Certificate of Aircraft Registration is then issued, without charge.
Title 14: Aeronautics and Space
PART 47—AIRCRAFT REGISTRATION
Subpart B—Certificates of Aircraft Registration
§ 47.45 Change of address.