District of Columbia Human Rights Act of 1977:
§ 1-2544. Filing of complaints and mediation.
(c) A mediation program shall be established and all complaints shall be mediated before the Office commences a full investigation. During the mediation the parties shall discuss the issues of the complaint in an effort to reach an agreement that satisfies the interests of all concerned parties. The Office shall grant the parties up to 45 days within which to mediate a complaint. If an agreement is reached during the mediation process, the terms of the agreement shall control resolution of the complaint. If an agreement is not reached, the Office shall proceed with an investigation of the complaint.