Missouri Revised Statutes Title XXXII. Courts § 478.330. Additional circuit judges authorized, when

1. When an annual judicial performance report submitted pursuant to section 477.405 indicates for three consecutive calendar years the need for two or more full-time judicial positions in any judicial circuit there shall be one additional circuit judge position authorized in such circuit, subject to appropriations made for that purpose.

2. Except in circuits where circuit judges are selected under the provisions of sections 25(a) to 25(g) of Article V [FN1] of the Missouri Constitution, the election of circuit judges authorized by this section shall be conducted in accordance with chapter 115.