U.S. Constitution, Article I — The Legislative Branch, Section 9, Clause 7
No Money shall be drawn from the Treasury, but in Consequence of Appropriations made by Law; and a regular Statement and Account of the Receipts and Expenditures of all public Money shall be published from time to time.
Notes
Bars drawing any money from the Treasury except in consequence of appropriations made by law. Requires a regular statement and account of the receipts and expenditures of all public money to be published from time to time, so federal spending needs a law and must be publicly reported.
Use as reference
Lexinter.net | U.S. Const. art. I, § 9, cl. 7 | https://laws.lexinter.net/constitution/us/article-1/section-9/clause-7