What happens after a bill passes the House?

After passing the House, the bill is sent to the Senate. The Senate can pass it as-is, amend it, or decline to act on it. If the Senate passes a different version, both chambers must reconcile the differences through a conference committee.

Can the President reject a bill?

Yes. The President can veto a bill, sending it back to Congress with objections. Congress can override a veto with a two-thirds vote in both the House (290 votes) and the Senate (67 votes). Veto overrides are rare — historically only about 7% of vetoes have been overridden.

How long does the President have to sign a bill?

The President has 10 days (excluding Sundays) to sign or veto a bill. If the President takes no action and Congress is in session, the bill becomes law automatically. If Congress adjourns during the 10-day period, the bill is pocket vetoed.

When does a new law take effect?

It depends on the law. Some take effect immediately upon the President's signature. Others specify a future effective date (e.g., "180 days after enactment" or a specific calendar date). Many laws require federal agencies to write detailed regulations before they can be enforced.

← Back to Home

What Happens After a Bill Passes?

Passing a vote in the House or Senate is only part of the journey. Here's what happens next — from conference committees to the President's desk and beyond.

After Passing One Chamber

✅ Scenario 1: Both Chambers Pass the Same Version

If both the House and Senate pass identical text, the bill is "enrolled" — printed on parchment paper — and sent directly to the President. This is the smoothest path.

🔄 Scenario 2: Different Versions Pass

More commonly, each chamber passes a different version. The differences must be resolved before the bill can become law. This usually happens through a conference committee — a temporary group of House and Senate members who negotiate a compromise. The final "conference report" must be approved by both chambers without further amendment.

⏳ Scenario 3: One Chamber Doesn't Act

If the House passes a bill but the Senate never votes on it (or vice versa), the bill dies. Bills that don't pass both chambers by the end of a two-year Congress expire entirely and must be reintroduced from scratch.

Presidential Action

Once both chambers agree on identical bill text, it goes to the President. The President has four options:

✍️ Sign It

The bill becomes law immediately (or on a date specified in the bill).

🚫 Veto It

The bill is sent back to Congress with the President's objections. Congress can override the veto with a two-thirds supermajority vote in both chambers (290 House votes + 67 Senate votes). Overrides are rare.

🕐 Do Nothing (Congress in Session)

After 10 days (excluding Sundays), the bill automatically becomes law without the President's signature.

📋 Do Nothing (Congress Adjourned)

If Congress adjourns before the 10 days expire, the bill is "pocket vetoed" — it dies and Congress cannot override it.

After Becoming Law

Publication: The law is assigned a Public Law number (e.g., P.L. 119-1) and published in the United States Statutes at Large.
Codification: Relevant provisions are added to the United States Code (U.S.C.), which organizes all federal laws by subject area.
Rulemaking: Federal agencies (e.g., EPA, IRS, FDA) often must write detailed regulations that spell out how the law will be enforced. This rulemaking process can take months or years.
Effective date: Some laws take effect immediately. Others specify a future date or require agency action first.
Legal challenges: Courts may review whether the law is constitutional. Unconstitutional provisions can be struck down.

💡 Did you know?

Of the roughly 10,000–15,000 bills introduced each Congress, only about 300–500 become law. That's a success rate of roughly 3–5%.

See It In Action

See real examples of bills at every stage:

→ Trending bills — see what Congress is working on right now
→ Bills signed into law — bills that completed the full process and became law
→ How a bill becomes a law — the full step-by-step process before a bill reaches this stage
→ How we summarize bills — our methodology and data sources

Track bills through every stage of the process

Search Bills on Just A Bill →