Columbia subject headings:
Administrative agencies--United States.
Delegated legislation--United States.
Government paperwork--United States.
United States. Internal Revenue Service.
United States. Office of Management and Budget.
Harvard subject headings:
Administrative agencies--United States
Delegated legislation--United States.
Government paperwork--United States
United States. Internal Revenue Service.
United States. Office of Management and Budget
Princeton subject headings:
Administrative agencies--United States.
Delegated legislation--United States.
Government paperwork--United States.
United States. Internal Revenue Service
United States. Office of Management and Budget