Unless the Congress by their Adjournment prevent its Return, in which Case it shall not be a Law
Talking ‘bout Pocket Vetoes:
If the President is unable to return a bill he would have vetoed because Congress is adjourned, then POTUS can sit on it and do nothing for the 10 days which kills the bill. A pocket veto cannot be overridden.
Today, Congress designates a person to receive the notification from POTUS of the veto if the legislature is out to prevent this from happening.
In 2007, George W. Bush did not present his veto to the present any Congressional designee, making it the most recent example of a pocket veto.
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