D.C. Mun. Regs. tit. 3, § 703
703.1 For each primary and general election, qualified electors may choose to cast a full ballot for their precinct at early voting centers according to procedures established by the Board.
703.2 The Board shall designate no fewer than four (4) early voting centers.
703.3 Early voting centers shall be equitably distributed geographically throughout the District.
703.4 Satellite early voting centers shall be open for no fewer than seven days prior to Election Day, from the hours of 8:30 a.m. to 7 p.m., Monday through Saturday. The Board's office shall serve as the early voting center for the in-person absentee voting period for the hours specified in § 717.12.
703.5 All persons standing in line at an early voting center at the time the early voting center closes shall be permitted to vote, if otherwise qualified.
703.6 Votes recorded at an early voting center will not be tallied until Election Day. Election results from early voting shall not be released until the polls close on Election Day.
SOURCE: Final Rulemaking published at 39 D.C. Reg. 2467, 2480 (April 10, 1992); as amended by Final Rulemaking published at 50 D.C. Reg. 11074-11075 (December 26, 2003); incorporating by reference the text of Proposed Rulemaking published at 51 DCR 5041 (May 14, 2004); as amended by Final Rulemaking published at 51 D.C. Reg. 7403 (July 30, 2004); and as amended by Final Rulemaking published at 57 D.C. Reg. 4245, 4247 (May 14, 2010).