Article 1, 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.

1.Records of the Federal Convention
2.House of Representatives, Official Conduct of the Secretary of the Treasury, 28 Feb. 1 Mar. 1793
3.St. George Tucker, Blackstone's Commentaries 1:App. 362--64, 1803
4.Joseph Story, Commentaries on the Constitution 3:§§ 1341--43, 1833