D.C. Mun. Regs. tit. 19, § 902
902.1 A vacancy in the office of President shall be filled by the Vice President for the remainder of the term.
902.2 A vacancy in the office of Vice President shall be filled at a regular meeting, or at a special meeting called for the purpose, by election, pursuant to the requirements of § 906.3.
SOURCE: Final Rulemaking published at 35 DCR 7488, 7489 (October 14, 1988).