In cases wherein the summons shall be personally served on the defendant, no setoff nor counterclaim shall be pleaded in the trial de novo proceedings that was not pleaded before the associate circuit judge.
§ 512.290, RSMo
RSMo 1939 § 2745, A.L. 1945 p. 765 § 140, A.L. 1978 H.B. 1634
Effective 1/2/1979