if the president doesn't sign a bill what happens

If the president doesn’t sign a bill, the result depends on timing. If Congress is still in session and 10 days pass without a signature, the bill becomes law anyway; if Congress adjourns during that window, the bill usually dies in what’s called a pocket veto.

What happens

• The president can sign the bill, which makes it law.
• The president can veto it, sending it back to Congress.
• The president can do nothing, and then:
  • it becomes law after 10 days if Congress remains in session, or
  • it fails if Congress adjourns before the 10 days are up.

Simple example

A bill reaches the White House on Monday. If the president never signs it and Congress stays in session, it can still become law after the waiting period. But if Congress leaves town before that period ends, the bill can’t be returned, so it doesn’t become law.

Why it matters

This rule prevents a president from blocking a bill forever just by sitting on it. It also gives Congress a chance to override a regular veto, but not a pocket veto.

Bottom line

No signature does not automatically mean “dead bill.” In many cases, silence turns into approval by default after the constitutional waiting period.