Constitution of the United States of America
Article I: Legislative Branch
Article I, Section 7:  Legislative Procedures, Voting, Vetoes

 All Bills for raising Revenue shall originate in the House of

1.7.2  but the Senate may propose or concur with Amendments
as on other Bills.

1.7.3  Every Bill which shall have passed the House of
Representatives and the Senate, shall, before it become a Law,
be presented to the President of the United States:

1.7.4  If he approve he shall sign it, but if not he shall return it,
with his Objections to that House in which it shall have originated,
who shall enter the Objections at large on their Journal, and
proceed to reconsider it.

1.7.5  If after such Reconsideration two thirds of that House shall
agree to pass the Bill, it shall be sent, together with the
Objections, to the other House, by which it shall likewise be
reconsidered, and if approved by two thirds of that House, it shall
become a Law.

1.7.6  But in all such Cases the Votes of both Houses shall be
determined by yeas and Nays, and the Names of the Persons
voting for and against the Bill shall be entered on the Journal of
each House respectively.

1.7.7  If any Bill shall not be returned by the President within ten
Days (Sundays excepted) after it shall have been presented to
him, the Same shall be a Law, in like Manner as if he had signed
it, unless the Congress by their Adjournment prevent its Return,
in which Case it shall not be a Law.

1.7.8  Every Order, Resolution, or Vote to which the Concurrence
of the Senate and House of Representatives may be necessary
(except on a question of Adjournment) shall be presented to the
President of the United States; and before the Same shall take
Effect, shall be approved by him, or being disapproved by him,
shall be repassed by two thirds of the Senate and House of
Representatives, according to the Rules and Limitations
prescribed in the Case of a Bill.