§ 144.630 RSMo — Agent of vendor for service, designation or agreement as to — process served, how

1. Every vendor shall designate with the director of revenue an agent for service within this state for the purpose of enforcing sections 144.600 to 144.745 . If a vendor fails to designate with the director of revenue an agent for service within this state, the doing of business as a vendor as defined herein shall be deemed

(1) An agreement by him that he, his executor, administrator or other legal representative shall be subject to the jurisdiction of the courts of this state in all civil actions and proceedings brought against him, his executor, administrator or other legal representative by the state for the enforcement of this section in connection with such business;

(2) An appointment by him, his executor, administrator or other legal representative of the secretary of state of Missouri as his lawful attorney and agent upon whom may be served all process in suits pertaining to such actions and proceedings;

(3) An agreement by the vendor that any process in any suit so served shall be of the same legal force and validity as if personally served in this state.

2. Service of process under this section shall be made by delivering a copy of the summons, with a copy of the petition attached, to the secretary of state of Missouri at his office or, in his absence, to the deputy secretary of state at his office, and the service shall be sufficient service upon the nonresident vendor.

3. The secretary of state shall immediately mail to the defendant, by restricted registered mail, addressed to the defendant at his last known address, residence or place of abode a notice of the service and a copy of the process and petition.