Agency means an executive agency as defined at 5 U.S.C. 105 including the U.S. Postal Service, the U.S. Postal Commission, a military department as defined at 5 U.S.C. 102, an agency or court in the judicial branch, an agency of the legislative branch including the U.S. Senate and House of Representatives and other independent establishments that are entities of the Federal government.
17 CFR § 141.2
For the purposes of this part the following definitions will apply: