Agency means any executive department, military department, Government corporation, Government controlled corporation, or other establishment in the executive branch of the government, or any independent regulatory agency, but does not include:
(1) The General Accounting Office;
(2) Federal Election Commission;
(3) The governments of the District of Columbia and the territories and possessions of the United States, and their various subdivisions; or
(4) Government-owned contractor-operated facilities, including laboratories engaged in national defense research and production activities.
5 CFR § 1320.3
For purposes of implementing the Act and this Part, the following terms are defined as follows: