5 U.S.C. § 5701. Definitions

Except as otherwise provided in section 5707(d),¹ for the purpose of this subchapter—

1. (1)
   (1)

   “agency” means—

   1. (A)
      (1)(A)an Executive agency;
   2. (B)
      (1)(B)a military department;
   3. (C)
      (1)(C)an office, agency, or other establishment in the legislative branch;
   4. (D)
      (1)(D)an office, agency, or other establishment in the judicial branch; and
   5. (E)
      (1)(E)the government of the District of Columbia;

   but does not include—

   1. (i)
      (1)(i)a Government controlled corporation;
   2. (ii)
      (1)(ii)a Member of Congress; or
   3. (iii)
      (1)(iii)an office or committee of either House of Congress or of the two Houses;
2. (2)
   (2)“employee” means an individual employed in or under an agency including an individual employed intermittently in the Government service as an expert or consultant and paid on a daily when-actually-employed basis and an individual serving without pay or at $1 a year;
3. (3)
   (3)“subsistence” means lodging, meals, and other necessary expenses for the personal sustenance and comfort of the traveler;
4. (4)
   (4)“per diem allowance” means a daily payment instead of actual expenses for subsistence and fees or tips to porters and stewards;
5. (5)
   (5)“Government” means the Government of the United States and the government of the District of Columbia; and
6. (6)
   (6)“continental United States” means the several States and the District of Columbia, but does not include Alaska or Hawaii.