§ 1983. Notice; evidence; records

(a) The Attorney General shall give reasonable notice to the interested parties and an opportunity for them to present evidence before making a final determination upon any claim.
(b) For the purpose of any investigation authorized under this Act [sections 1981 to 1987 of this Appendix], the provisions of sections 9 and 10 (relating to examination of documentary evidence, attendance of witnesses, and production of books, papers, and documents) of the Federal Trade Commission Act of September 26, 1914, as amended (15 U.S.C. 49, 50), are made applicable to the jurisdiction, powers, and duties of the Attorney General. Subpenas may be served personally, by registered mail, by telegraph, or by leaving a copy thereof at the residence or principal place of business of the person required to be served. A verified return by the individual so serving the same, setting forth the manner of service, shall be proof of service. The United States marshals or their deputies shall serve such process in their respective districts.
(c) A record shall be kept of all proceedings under this Act [sections 1981 to 1987 of this Appendix] and shall be open to public inspection.