Miss. Code § 69-23-113
Any nonresident commercial applicator applying for a license under Sections 69-23-101 through 69-23-135 to operate in the state shall file a written power of attorney designating the Secretary of State as the agent of such nonresident upon whom service of process may be had in the event of any suit against the nonresident person, and such power of attorney shall be prepared and in such form as to render effective the jurisdiction of the courts of this state over such nonresident applicant. Any nonresident who has a duly appointed resident agent upon whom process may be served as provided by law shall not be required to designate the Secretary of State as such agent. The Secretary of State shall be allowed such fees therefor as provided by law for designating resident agents. The commissioner shall be furnished with a copy of such designation of the Secretary of State or of a resident agent, such copy to be duly certified by the Secretary of State.
Miss. Code § 69-23-113