congress can overturn a president's veto and pass a law with 2/3's vote
A rule issued by the president that has the force of law.
Formal government agreement that the President enters without needing the consent of the Senate
An implied presidential power, not explicitly mentioned in the constitution, but upheld by the supreme court in U.S. v. Nixon, that the President can refuse to disclose information regarding confidential conversations or national security to congress or the judiciary.
a bill fails to become law because the president did not sign it within 10 days before Congress adjourns
The president's disapproval of a bill that has been passed by both houses of Congress.