(a) Administrator means the Administrator of the Wage and Hour Division, U.S. Department of Labor, or authorized representative.

(b) Associate Solicitor means the Associate Solicitor for Fair Labor Standards, Office of the Solicitor, U.S. Department of Labor, Washington, DC 20210.

(c) Chief Administrative Law Judge means the Chief Administrative Law Judge, U.S. Department of Labor, 800 K Street, NW., Suite 400, Washington DC 20001-8002.

(d) Respondent means the contractor, subcontractor, person alleged to be responsible under the contract or subcontract, and/or any firm, corporation, partnership, or association in which such person or firm is alleged to have a substantial interest (or interest, if the proceeding is under the Davis-Bacon Act) against whom the proceedings are brought.