Bureau means any one of the following Treasury organizations:
(1) Alcohol and Tobacco Tax and Trade Bureau (TTB);
(2) Bureau of Engraving & Printing (BEP);
(3) Bureau of the Fiscal Service (formerly Bureau of Public Debt and Financial Management Service);
(4) Departmental Offices (DO);
(5) Financial Crimes Enforcement Network (FinCEN);
(6) Office of the Inspector General (OIG);
(7) Internal Revenue Service (IRS);
(8) Office of the Comptroller of the Currency (OCC);
(9) Special Inspector General for the Troubled Asset Relief Program (SIGTARP);
(10) Treasury Inspector General for Tax Administration (TIGTA); or
(11) United States Mint. [80 FR 11595, Mar. 4, 2015]