31 CFR § 591.509 - Official business of the United States Government.

All transactions that are for the conduct of the official business of the United States Government by employees, grantees, or contractors thereof are authorized.

Note 1 to § 591.509:

For additional information regarding requirements relating to the entry into a settlement agreement or the enforcement of any lien, judgment, arbitral award, decree, or other order through execution, garnishment, or other judicial process purporting to transfer or otherwise alter or affect property or interests in property blocked pursuant to § 591.201, see § 591.407.

[84 FR 64417, Nov. 22, 2019]