Used to view spending and available funding to cover new obligations. It shows. the AFP, Allotment, Commitment, Obligation, Expenses, Disbursement, Available Allotment, and available AFP for budget objects (including Fund, Fund. Center, Commitment Item, Functional Area, and Funded Program).
A landmark case representing one of the earliest examples of the use of the Supremacy Clause is that of McCulloch v. Maryland. In this case, the Supreme Court ruled that the State of Maryland had no legal right to tax the Second Bank of the United States as a Federal entity.
This Supremacy Clause has come to mean that the national government, in exercising any of the powers enumerated in the Constitution, must prevail over any conflicting or inconsistent state exercise of power. The federal preemption doctrine is a judicial response to the conflict between federal and state legislation. When it is clearly established that a federal law preempts a state law, the state law must be declared invalid.