42 CFR 1006.1 - Scope.
(a) The provisions in this part govern subpoenas issued by the Inspector General, or his or her delegates, in accordance with sections 205(d), 1128A(j), and 1128(f)(4) of the Act and require the attendance and testimony of witnesses and the production of any other evidence at an investigational inquiry.
(c) Nothing in this part is intended to apply to or limit the authority of the Inspector General, or his or her delegates, to issue subpoenas for the production of documents in accordance with 5 U.S.C. 6(a)(4), App. 3.