45 CFR 501.1 - Extent of authority.
(a) Subpoenas, oaths and affirmations. The issuance of subpoenas, the administration of oaths and affirmations, the taking of affidavits, the conduct of investigations, and the examination of witnesses by the Commission and its members, officers and employees is governed by the provisions of 22 U.S.C. 1623(c) and 50 U.S.C. App. 2001(c).
(b) Certification. The Commission or any member thereof may, for the purpose of a hearing, examination, or investigation, certify the correctness of any papers, documents, and other matters pertaining to the administration of any laws relating to the functions of the Commission.