All federal lawmaking power belongs to Congress, and only Congress. Nothing becomes federal law without both chambers passing identical text, a deliberately hard process the Constitution makes harder with the President's veto.
Read the clause itself, verbatim and in plain language, in the in-app Constitution.
Congress: House & Senate together
A bill must survive committee, pass the House (majority, on the Rules CommitteeThe House committee that writes the terms of debate, the 'rule', for each major bill: how long debate runs and which amendments are allowed.Full definition in the glossary's terms) and the Senate (in practice, often 60 votes for clotureThe Senate's only procedure for ending debate over objection. Most legislation needs 60 votes; nominations need a simple majority.Full definition in the glossary), be reconciled into one text, and be presented to the President. The full path is the app's step-by-step walkthrough.
Constitution Annotated, Article I
Terms to know: billA proposed law introduced in the House (H.R.) or Senate (S.). It only becomes law if both chambers pass identical text and the President signs it, or Congress overrides a veto.Full definition in the glossary · clotureThe Senate's only procedure for ending debate over objection. Most legislation needs 60 votes; nominations need a simple majority.Full definition in the glossary · vetoThe President's refusal to sign a measure, returning it to Congress with objections. Congress can override with two-thirds of both chambers.Full definition in the glossary