D.C. Mun. Regs. tit. 3, § 910
910.1 All elections provided in this section are special elections, even though the balloting may be at the same time as a previously scheduled general election.
910.2 Special elections shall be conducted in order to elect an individual to serve the unexpired portion of the term of office vacated.
910.3 A special election held pursuant to this chapter shall be held on the first Tuesday occurring more than one hundred fourteen (114) days after the date the Board certifies the office vacant; provided, that the Board determines that the vacancy could not be more practicably filled in a special election held on the same day as the next general election to be held in the District occurring within sixty (60) days of the date on which a special election would otherwise be held.
910.4 A call for a special election shall include the following:
(a) The date upon which the special election is to be held;
(b) The date upon which nomination petition forms will be made available to candidates; and
(c) Other relevant election calendar information.
910.5 For purposes of this chapter, a vacancy shall exist in any office enumerated in § 900.1 upon the certification of the vacancy by the Board.
910.6 At the time of the certification that a vacancy, exists in any office enumerated in § 900.1, the Board shall call a special election to fill a vacancy in the office.
910.7 Within seven (7) days after the certification of a vacancy, the Board shall make available nomination petition forms to candidates seeking nomination to fill the vacancy.
910.8 The qualifications for ballot access of candidates and the rules governing the access in any special election held to fill a vacancy shall be the same as those for direct nomination to the office in any general election as provided for in D.C. Code § 1- 1001.08(j) (2006 Repl.), and chapter 16 of this title.
SOURCE: Final Rulemaking published at 36 D.C. Reg. 7820 (November 10, 1989); and further amended by Final Rulemaking published at 39 D.C. Reg. 4166, 4167 (June 12, 1992).