Common Government-wide Accounting Classification

From https://bidenwhitehouse.archives.gov/wp-content/uploads/2018/06/a11.pdf

In MAX A-11 DE, OMB assigns and uses agency and bureau codes, which are associated with agency and bureau titles that are published in the Budget. The following table lists these codes in budget order. It also provides the corresponding 2-digit Treasury agency and the 3-digit Common Government-wide Accounting Classification (CGAC) agency codes assigned by Treasury. The CGAC codes allow Treasury and agencies to use a unique code for each agency. With the long-standing 2-digit codes, there were many cases (see Treasury agency codes 48 and 95) where numerous agencies shared the same 2-digit agency code. In some instances, a different Treasury agency code may be used for some accounts in an agency; a complete listing can be found in the Master Accounts Title (MAT) file on the budget season reports page. (See section 79.2 for additional information on account identification codes.)

Agency OMB Codes Treasury Agency Codes CGAC Agency Codes1 Agency Bureau Legislative Branch Senate 001 05 00 000 House of Representatives 001 10 00 000 Joint Items 001 11 00 000 Capitol Police 001 13 02 002 Office of Congressional Workplace Rights 001 12 09 009 Congressional Budget Office 001 14 08 008 Architect of the Capitol 001 15 01 001 Botanic Garden 001 18 09 009 Library of Congress 001 25 03 003 Government Publishing Office 001 30 04 004 Government Accountability Office 001 35 05 005 United States Tax Court 001 40 23 023 Legislative Branch Boards and Commissions 001 45 09 009 Legislative Branch Boards and Commissions 001 45 48 Multiple Legislative Branch Boards and Commissions 001 45 95 Multiple Judicial Branch Judicial Branch 002 00 10 010 Supreme Court of the United States 002 05 10 010 United States Court of Appeals for the Federal Circuit 002 07 10 010 United States Court of International Trade 002 15 10 010 Courts of Appeals, District Courts, and Other Judicial Services 002 25 10 010 Administrative Office of the United States Courts 002 26 10 010 Federal Judicial Center 002 30 10 010 Judicial Retirement Funds 002 35 10 010 United States Sentencing Commission 002 39 10 010 Department of Agriculture