Article I, Section 7 of the Constitution creates certain rules to govern how Congress makes law. Its first Clause—known as the Origination Clause—requires all bills for raising revenue to originate in the House of Representatives.
1.1 Origination Clause. Article I, Section 7, Clause 1: All Bills for raising Revenue shall originate in the House of Representatives; but the Senate may propose or concur with Amendments as on other Bills.