D.C. Mun. Regs. tit. 3, § 502
502.1 A person who is outside of the United States shall qualify as a uniformed or overseas elector under the provisions of the Uniformed and Overseas Citizens Absentee Voting Act (“UOCAVA”), to vote in federal elections conducted in the District of Columbia, as set forth in § 502.2.
502.2 For the purposes of this title, a “qualified uniformed or overseas elector” is either an “absent uniformed services voter” or an “overseas voter,” as defined in UOCAVA, because he or she is:
(a) A member of a uniformed service on active duty who, by reason of such active duty, is absent from the District of Columbia where the member is otherwise a qualified elector;
(b) A member of the merchant marine who, by reason of service in the merchant marine, is absent from the District of Columbia where the member is otherwise a qualified elector;
(c) A spouse or dependent of a member of a uniformed service or merchant marine who, by reason of the active duty or service of the member, is absent from the District of Columbia where the spouse or dependent is otherwise a qualified elector;
(d) A person who resides outside the United States and is a qualified elector of the District of Columbia; or
(e) A person who resides outside the United States and, but for such residence, would be a qualified elector the District of Columbia.
SOURCE: Final Rulemaking published at 43 D.C. Reg. 1078, 1080-81 (March 1, 1996); as amended by Final Rulemaking published at 57 D.C. Reg. 3267, 3270 (April 16, 2010); as amended by Notice of Emergency and Proposed Rulemaking published at 7 DCR 7690 (August 20, 2010)[EXPIRED]; as amended by Notice of Final Rulemaking published at 57 DCR 11111, 11114(November 26, 2010).