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How does Congress pass a bill over the President's veto?
A bill passed by Congress and vetoed by the President is returned to Congress. By a two-thirds vote in both houses, Congress may override the veto and the bill will become law.
Both Houses of Congress must pass the bill again with a 2/3 majority to make it a law over the President's veto; otherwise the bill dies and does not become law.
Only the President can veto the bill, but Congress can override a veto if 2/3 of the House and Senate vote for the override. Recall that it is the Congress that represents the Legislative Branch of...