Treaty Power Law and Legal Definition
Treaty power refers to the President’s constitutional authority to make treaties , with the advice and consent of the senate. Under the US Constitution the President has the power to make treaties, by and with the advice of the Senate. The Senate has the power to approve it with two-third vote. [Article II, Section 2 of the US Constitution] The Supremacy Clause of Article VI says that treaties like the Constitution and laws of the United States shall be supreme law of the land.