D.C. Mun. Regs. tit. 3, § 3302
3302.1 When confronted with a conflict or potential conflict of interest, a public official shall remove himself or herself from influence over actions and decisions on the matter on which there is a conflict or potential conflict.
3302.2 Removal from influence over actions and decisions shall be accomplished when the public official refrains from taking any action or making any decision that would affect or appear to affect, directly or indirectly, the matter under investigation or the conflict.
3302.3 A public official shall remove himself or herself from influence over actions and decisions for the following reasons:
(a) When the public official has reasonable knowledge of any direct or indirect financial interest or gain which is incompatible with the discharge of duties by the public official;
(b) When the public official would be required to take any official action on a matter when a conflict situation is created by a personal, family or client interest; or
(c) Upon written notice from the Board or the Director that a full investigation has been initiated.
SOURCE: Final Rulemaking published at 45 D.C. Reg. 3161, 3193 (May 22, 1998); as amended by Final Rulemaking published at 49 DCR 2731 (March 22, 2002) and 53 D.C. Reg. 3237 (April 21, 2006)