Mo. Rev. Stat. § 338.340
No person acting as principal or agent for any out-of-state wholesale drug distributor, out-of-state pharmacy distributor, drug outsourcer, or out-of-state third-party logistics provider shall sell or distribute drugs in this state unless the entity has obtained a license pursuant to the provisions of sections 338.330 to 338.370.
(L. 1989 S.B. 39 § 338.360, A.L. 2018 H.B. 1719)