Begin by separating authorization from appropriation. An authorization creates or continues a program and may recommend a funding level. An appropriation provides legal authority to obligate and spend federal money. A program can remain authorized yet receive little or no annual funding, and an appropriation cannot automatically expand the substantive mission that the governing statute assigns. Mandatory spending works differently from an ordinary annual appropriation because an eligibility law can direct payment without a new discretionary amount for each beneficiary, but Congress still controls the underlying law.

Funding control is powerful but not infinitely precise. A lower appropriation may reduce an unwanted activity, yet it may also weaken services Congress still values. An appropriations rider can restrict spending for a purpose, but report language and a committee member's request do not automatically have the force of enacted law. Congress also cannot use an appropriations condition to erase powers the Constitution independently gives another branch.

Execution presents another distinction. An agency generally must use funds for the enacted purpose and may not transfer money among accounts merely because leaders prefer a different priority. Limited transfer or reprogramming authority may exist under statute, often with notice requirements. The president may propose cuts or ask Congress to cancel funds, but a policy disagreement does not itself create authority to refuse a lawful expenditure. For exam purposes, trace the chain: Congress enacts the account, the executive obligates funds within that account, and auditors or courts examine compliance under the applicable law.

Suppose an agency used money appropriated for bridge inspections to launch an unrelated advertising campaign. Congress could investigate, require accounting records, specify the permitted use more clearly, and adjust the next appropriation. The key question is not merely whether legislators dislike the campaign. It is whether the agency had legal budget authority for that obligation and what enacted control applies.

Retrieval check. A hearing obtains explanations; an appropriation supplies or limits spending authority. Explain why those controls often work together but are not interchangeable.

A tempting distractor will often describe criticism, authorization, or a budget proposal as if it were an appropriation. Look for enacted spending language. The decisive question is not who requested the money but which law made it legally available and for what purpose.

Video lesson: Controlling Bureaucracies: Crash Course Government and Politics #17