Budget sequestration is a provision of United States law that causes an across-the-board reduction in certain kinds of spending included in the federal budget. Sequestration involves setting a hard cap on the amount of government spending within broadly defined categories; if Congress enacts annual appropriations legislation that exceeds these caps, an across-the-board spending cut is automatically imposed on these categories, affecting all departments and programs by an equal percentage. The amount exceeding the budget limit is held back by the Treasury and not transferred to the agencies specified in the appropriation bills. The word sequestration was derived from a legal term referring to the seizing of property by an agent of the court, to prevent destruction or harm, while any dispute