License and permit required.

Miss. Code Ann. § 41-59-9
in effect
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From and after October 1, 1974, no person, firm, corporation, association, county, municipality, or metropolitan government or agency, either as owner, agent or otherwise, shall hereafter furnish, operate, conduct, maintain, advertise or otherwise engage in the business of service of transporting patients upon the streets, highways or airways of Mississippi unless he holds a currently valid license and permit, for each ambulance, issued by the board.

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