Mo. Rev. Stat. § 443.100
Current with changes from the 2023 Legislative Session
In cases where a number of notes are named in any security instrument which was recorded prior to January 1, 1986, on payment of any one or more of such notes, the maker thereof may make affidavit as to such payment, which such affidavit shall refer to the security instrument by book and page of record and contain a description of the land encumbered thereby and shall present the same along with the note or notes to the recorder, and the recorder shall cancel the notes and make a memorandum of such presentation and cancellation on the margin of the affidavit, which shall then be filed for record.
§ 443.100, RSMo
RSMo 1939 § 3469, A.L. 1985 H.B. 210, A.L. 1994 H.B. 1312