D.C. Mun. Regs. tit. 3, § 1012
1012.1 The proposer of an initiative or referendum measure shall serve as the proposer of record until such time as a proposer substitution occurs.
1012.2 A proposer substitution occurs when the proposer of record and the substitute proposer complete and sign the Proposer's Affidavit of Resignation and Substitution and affirm the following:
(a) The proposer of record consents to no longer receiving official correspondence from the Board concerning the initiative or referendum; and
(b) The substitute proposer is a registered qualified elector of the District.
SOURCE: Final Rulemaking published at 43 DCR 103, 118 (January 12, 1996); as amended by Final Rulemaking published at 61 DCR 625 (January 24, 2014).