Section 21. No treaty or international agreement shall be valid and effective unless concurred in by at least two-thirds of all the Members of the Senate.
Section 22. The President shall submit to the Congress, within thirty days from the opening of every regular session as the basis of the general appropriations bill, a budget of expenditures and sources of financing, including receipts from existing and proposed revenue measures.
Section 23. The President shall address the Congress at the opening of its regular session. He may also appear before it at any other time.