If the President does not sign a bill passed by Congress, one of two main things happens, depending on timing and congressional action:
1. The bill becomes law automatically (without the President’s signature)
•This occurs if the President takes no action (neither signs nor vetoes) within 10 days (excluding Sundays) after the bill is presented to him, and Congress remains in session during that period.
•The bill automatically becomes law on the 10th day. This is sometimes called a “silent approval” or “default enactment.”
•Presidents rarely rely on this—they usually sign bills they support—but it has happened historically.
2. Pocket veto (the bill dies)
•If Congress adjourns (ends its session) within those 10 days, and the President has taken no action, the bill is pocket-vetoed.
•It does not become law. Congress must reintroduce and pass the bill again in a future session if it wants another chance.
•This is called a “pocket veto” because the President effectively “pockets” the bill without acting on it, killing it until the next congressional session.
Other Key Details
•Regular veto: The President can actively reject the bill by returning it to Congress with a veto message (objections). Congress can then try to override the veto with a two-thirds majority vote in both the House and Senate. If successful, the bill becomes law despite the veto. Overrides are relatively rare.
•The 10-day clock starts once the bill is formally presented to the President (after passing both chambers and being enrolled).
•Congress can strategically time its adjournment to force a pocket veto or avoid one, depending on its goals.
This process is outlined in Article I, Section 7 of the U.S. Constitution. It serves as a check and balance: the President can block legislation, but Congress has tools to push back or work around inaction.
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