Cyclopedia of Congressional Budget Law
An authorization by either the agency head or another authorized employee to his/her subordinates to incur obligations within a specified amount. Each agency makes allotments pursuant to specific procedures it establishes within the general apportionment requirements stated in OMB Circular No. A-11. The amount allotted by an agency cannot exceed the amount apportioned by the Office of Management and Budget (OMB). An allotment is part of an agency system of administrative control of funds whose purpose is to keep obligations and expenditures from exceeding apportionments and allotments.
(See also Administrative Division or Subdivision of Funds; Apportionment; Reapportionment.)
Department of Labor Budget Dictionary
An authorization by the head (or other authorized employee) of an agency to subordinates/grantees to incur obligations within a specified amount. The amount allotted by an agency cannot exceed the amount apportioned by the Office of Management and Budget.