D.C. Mun. Regs. tit. 3, § 520
520.1 The grounds for cancellation of registration by the Board shall be the following:
(a) Death of the voter;
(b) Change in residence from the District of Columbia;
(c) Signed authorization from a voter, or written notification from the voter that he or she is not a qualified elector;
(d) Incarceration following a felony conviction;
(e) Successful challenge to voter registration;
(f) Falsification of information on the voter registration application;
(g) Declaration of mental incompetence by a court of competent jurisdiction; and
(h) In the case of a registrant whose registration is deemed inactive, failure to provide the Board with a current residence address in the District, in writing, or failure to vote in any election in accordance with D.C. Code § 1-1001.07(i)(4)(B) by not later than the day after the date of the second general election for federal office that occurs after the date of the notice.
520.2 Where the Board cancels or proposes to cancel a voter's name from the registration roll, under § 520.1, notification to the person, as applicable to the cause of cancellation, shall be made by first class (forwardable) mail, except where authorization for removal has been provided by signature of the voter, or where the voter's registration is being removed from the list of registrations deemed inactive.
520.3 In the event that the Board learns, through the regular course of business, that a voter is otherwise unqualified to be a registered elector in the District of Columbia, the chief registration official shall notify the registrant of this fact.
520.4 The notice shall include the information on which the chief registration official bases the decision and shall state that the registrant must respond within fourteen (14) days from the date of the mailing of the notice or be cancelled from the voter roll.
520.5 The chief registration official shall make a determination with respect to the elector's eligibility within ten (10) days of receipt of a response from the
registrant.
520.6 The determination shall be sent by first class mail to the registrant.
520.7 Within fourteen (14) days of mailing the notice, the registrant may appeal, in writing, the chief voter registration official's determination to the Board.
520.8 The Board shall conduct a hearing and issue a decision within thirty (30) days of receipt of written notice of the appeal.
SOURCE: Final Rulemaking published at 57 D.C. Reg. 3267, 3289 (April 16, 2010).