Article II, Section 21

Each House shall keep a journal of its proceedings, and publish it, except such parts as the welfare of the state may require to be kept secret; the ayes and noes shall be taken in each House upon the final passage of every bill of a general character, and bills making appropriations of public moneys; and the ayes and noes of the members on any question, shall, at the request of any five of them, be entered on the journal.