Oklahoma constitution
Article V: legislative power
Section 33

D. Any revenue bill originating in the House of Representatives may become law without being submitted to a vote of the people of the state if such bill receives the approval of three-fourths (3/4) of the membership of the House of Representatives and three-fourths (3/4) of the membership of the Senate and is submitted to the Governor for appropriate action. Any such revenue bill shall not be subject to the emergency measure provision authorized in Section 58 of this Article and shall not become effective and be in force until ninety days after it has been approved by the Legislature, and acted on by the Governor.