D.C. Mun. Regs. tit. 3, § 1503
1503.1 To obtain ballot access, a candidate’s petition shall contain the signatures of duly registered voters, equal in number to at least one percent (1%) of the total number of registered voters in the District of Columbia, as shown by the records of the Board as of the one forty-fourth (144th) day before the date of the presidential election.
SOURCE: Final Rulemaking published at 35 DCR 2006, 2019 (March 11, 1988); as amended by Final Rulemaking published at 45 DCR 1437 (March 13, 1998); as amended by Final Rulemaking published at 29 DCR 1976 (May 14, 1982); as amended by Final Rulemaking published at 58 DCR 941, 977 (February 10, 2012); as amended by Final Rulemaking published at 60 DCR 5582 (April 12, 2013); as amended by Final Rulemaking published at 61 DCR 625 (January 24, 2014).