# 47.71 Duration of Certificate; change of status.(a) A Dealer's Aircraft Registration Certificate expires 1 year after the date it is issued. Each additional certificate expires on the date the original certificate expires.(b) The holder of a Dealer's Aircraft Registration Certificate must immediately notify the Registry of any of the following—(1) A change of name;(2) A change of address;(3) A change that affects status as a citizen of the United States; or(4) The discontinuance of business.[31 FR 4495, Mar. 17, 1966, as amended by Amdt. 47-29, 75 FR 41983, July 20, 2010; Docket No. FAA-2024-2765, Amdt. No. 47-36, 90 FR 5572, Jan. 17, 2025]