Miss. Code § 69-7-201
For the purposes of this article, every person, firm, corporation, association or other legal entity who is engaged in hatching baby chicks and ratites, including baby ostrich, emu and rhea, for sale, distribution or under contract, either oral or written, for the production of ostrich, emu, rhea, broilers, laying hens, roosters or eggs, and every person, firm, partnership, corporation, association, or other legal entity, who procures the production of ostrich, emu, rhea, broilers, laying hens, roosters or eggs for sale, distribution or processing by contract with others, either oral or written, shall be considered "doing business" within the State of Mississippi, and every person, firm, corporation, association or other legal entity that is a nonresident of this state and who desires to "do business" within this state as covered by this article shall, as a condition precedent to obtaining a license hereunder, appoint or designate a resident of the State of Mississippi as agent for the service of process and shall file such appointment or designation with the Secretary of State. Thereafter, the service of summons upon the agent appointed or designated shall be sufficient to give the courts of this state jurisdiction of any cause of action arising under the terms of this article. Any person, firm, partnership, corporation, association or other legal entity who "does business" under the provisions of this article, whether under a license or otherwise, without appointing or designating an agent as herein required shall be deemed to have appointed the Secretary of State as such agent and may be proceeded against in courts of this state by service of process upon the Secretary of State.
Miss. Code § 69-7-201