D.C. Mun. Regs. tit. 3, § 3702
3702.1 An internal inquiry shall involve an examination by the Director of a possible violation of the Act, when the possible violation comes to the attention of the Director.
3702.2 The Director may initiate an internal inquiry through the following sources:
3702.3 Within a reasonable time after examination of an internal inquiry, the Director shall determine whether to initiate a preliminary investigation.
SOURCE: Final Rulemaking published at 45 D.C. Reg. 3161, 3204 (May 22, 1998).