Mo. Rev. Stat. § 508.150
508.150 Written order for change in vacation.
508.150. Written order for change in vacation. — If any judge award such change of venue in vacation, he shall immediately transmit to the clerk of the court wherein the cause is pending the petition and affidavit, with a written order for the change of venue.
(RSMo 1939 § 1063) Prior revisions: 1929 § 912; 1919 § 1362; 1909 § 1932