521.470. Defendant may plead to merits, when. — Every defendant not served with a summons may, at any time before final judgment against him, appear and plead to the merits of the action on such terms as the court may direct.
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(RSMo 1939 § 1484)
Prior revisions: 1929 § 1320; 1919 § 1771; 1909 § 2340