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.