joint resolution

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A resolution passed by both houses of a bicameral legislature, which attains the force of law if approved by the executive or if the executive's veto is overriden.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a resolution passed by both houses of Congress which becomes legally binding when signed by the Chief Executive (or passed over the Chief Executive's veto)