45 C.F.R. § 90.50 : Public Welfare — DEPARTMENT OF HEALTH AND HUMAN SERVICES — GENERAL ADMINISTRATION — NONDISCRIMINATION ON THE BASIS OF AGE IN PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE — INVESTIGATION, CONCILIATION AND ENFORCEMENT PROCEDURES — Exhaustion of administrative remedies

(a) The agency shall provide in its regulations that a complainant may file a civil action following the exhaustion of adminstrative remedies under the Act. Administrative remedies are exhausted if:
(1) 180 days have elapsed since the complainant filed the complaint and the agency has made no finding with regard to the complaint; or
(2) The agency issues any finding in favor of the recipient.
(b) If either of the conditions set forth in §90.50(a) is satisfied the agency shall:
(1) Promptly advise the complainant of this fact; and
(2) Advise the complainant of his or her right, under section 305(e) of the Act, to bring a civil action for injunctive relief that will effect the purposes of the Act; and
(3) Inform the complainant:
(i) That a civil action can only be brought in a United States district court for the district in which the recipient is found or transacts business;
(ii) That a complainant prevailing in a civil action has the right to be awarded the costs of the action, including reasonable attorney's fees, but that these costs must be demanded in the complaint;
(iii) That before commencing the action the complainant shall give 30 days notice by registered mail to the Secretary, the Attorney General of the United States, the head of the granting agency, and the recipient;
(iv) That the notice shall state: the alleged violation of the Act; the relief requested; the court in which the action will be brought; and whether or not attorney's fees are demanded in the event the complainant prevails; and
(v) That no action shall be brought if the same alleged violation of the Act by the same recipient is the subject of a pending action in any court of the United States.

45 C.F.R. § 90.50