D.C. Mun. Regs. tit. 3, § 515
515.1 A registered voter shall notify the Board in writing of a name change due to marriage, divorce, or by order of a court within thirty (30) days of the applicable event.
515.2 The Board shall process name changes received pursuant to the monthly report furnished by the Superior Court of the District of Columbia in accordance with D.C. Official Code § 1-1001.07(k)(3) (2011 Repl.).
515.3 Prior to the thirtieth (30th) day preceding an election, a registered voter may give notice of change of name by:
515.4 On or after the thirtieth (30th) day preceding an election, a registered voter may change his or her name in-person at the Board’s office or a VRA. Requests for change of name other than those made in-person during the thirty (30) days that immediately precede and include the date of the election shall be held and processed after the election.
SOURCE: Final Rulemaking published at 43 DCR 1078, 1089-90 (March 1, 1996); as amended by Final Rulemaking published at 43 DCR 1927 (April 12, 1996); as amended by Final Rulemaking published at 57 DCR 3267, 3284 (April 16, 2010); as amended by Emergency and Proposed Rulemaking published at 7 DCR 7690 (August 20, 2010)[EXPIRED]; as amended by Final Rulemaking published at 57 DCR 11111, 11119 (November 26, 2010); as amended by Emergency and Proposed Rulemaking published at 58 DCR 10752 (December 16, 2012)[EXPIRED]; as amended by Final Rulemaking published at 58 DCR 941, 953 (February 10, 2012); as amended by Final Rulemaking published at 61 DCR 625 (January 24, 2014).