D.C. Mun. Regs. tit. 4, § 1224
1224.1 All parties are entitled to, and shall receive, a fair and impartial investigation by the LA Director.
1224.2 All parties have a duty to cooperate with and furnish OHR with the following:
(a) All documents, records, names of witnesses and any other necessary information needed to investigate the complaint; and
(b) Current contact information.
1224.3 Failure by both parties to perform any of the duties described in § 1226.2 may adversely affect the outcome of the case, up to and including dismissal.
1224.5 Respondent and the complainant shall comply with all requests from the LA Director or OHR during the investigation of the complaint. Noncompliance by the parties shall be reported to the OCA for further action.
SOURCE: Final Rulemaking published at 55 DCR 6348 (June 6, 2008).