O
Obligation Authority: The amount of budgetary resources (including new budget authority, balances of unobligated budget authority carried over from prior years, and obligation limitations) available for obligation in a given fiscal year. With regard to the federal-aid highway program, obligation authority often refers to the amount of federal-aid obligation limitation, established annually by Congress in appropriation acts, that is allocated to the states and controls the amount of apportioned contract authority that can be obligated by the states in a given fiscal year.
 
Original Discount Rate: Discount rate originally used to calculate the present value of direct loans or loan guarantee liabilities, when the direct or guaranteed loans were disbursed.
 
Outlays: An outlay represents an official payment of funds.