Missouri Constitution of 1945 Art. III, § 20(a). Automatic adjournment--tabling of bills, when

The general assembly shall adjourn at midnight on May thirtieth until the first Wednesday after the first Monday of January of the following year, unless it has adjourned prior thereto. All bills in either house remaining on the calendar after 6:00 p.m. on the first Friday following the second Monday in May are tabled. The period between the first Friday following the second Monday in May and May thirtieth shall be devoted to the enrolling, engrossing, and the signing in open session by officers of the respective houses of bills passed prior to 6:00 p.m. on the first Friday following the second Monday in May.

The general assembly shall automatically stand adjourned sine die at 6:00 p.m. on the sixtieth calendar day after the date of its convening in special session unless it has adjourned sine die prior thereto.