The Office of Personnel Management is an independent establishment in the executive branch. The Office shall have an official seal, which shall be judicially noticed, and shall have its principal office in the District of Columbia, and may have field offices in other appropriate locations. 1 As amended July 11, 1978. 5 U.S.C. § 1101 Pub. L. 89-554, Sept. 6, 1966, 80 Stat. 398; Pub. L. 95-454, title II, §201(a), Oct. 13, 1978, 92 Stat. 1119. HISTORICAL AND REVISION NOTES Derivation U.S. Code Revised