Mo. R. Misc. Act. 155.03
As amended through October 1, 2024
In all actions to expunge records, service shall be made by methods for obtaining service of process in circuit courts or by mailing a copy of both the summons and the petition to the defendant at the defendant's last known address by certified mail, return receipt requested, delivery restricted to the addressee.
Mo. R. Misc. Act. 155.03