D.C. Mun. Regs. tit. 7, § 1512
The Board shall take official action or transact other business only at meetings duly called under the provisions of this chapter, unless, at a prior meeting the Board specifically authorized that action be taken in another manner or at another time; or in the event at a subsequent meeting the Board determined that an emergency situation warranted immediate action be taken in another manner and ratified such action by a majority vote.
SOURCE: Notice of Final Rulemaking published at 49 DCR 10803 (November 29, 2002).