Mo. Rev. Stat. § 59.480
Any person who is the holder of a discharge, separation notice, certificate of service, report of transfer or discharge, or any other notice or document which is evidence of severance or transfer from military service and which contains a service record from the armed forces of the United States may demand that such document be recorded by the recorder of deeds of any county in this state, including the recorder of deeds of the city of St. Louis, and it shall be the duty of the recorder of deeds to record the document without any fee or compensation therefor.
(L. 1943 p. 643 § 15077A, A.L. 1973 H.B. 772)