Amendments may pass by a simple majority of those voting. In committees and in the Committee of the Whole, a bill may be recommended for passage by a simple majority of those voting.
Passage on third reading and repassage after a conference committee report requires an absolute majority of the votes in both houses, which is 68 in the House and 34 in the Senate. Capital Investment bills require a three-fifths majority vote, which is 81 representatives and 41 senators.