Mo. Rev. Stat. § 417.320

Any person having in possession or under control any receptacle bearing any name, mark or device recorded as provided in section 417.300 and not holding a written transfer or bill of sale therefor from the person named in the certificate provided for in said section or other authority in writing from such person shall upon demand deliver such receptacle to the person named in such certificate or to the authorized agent of such person, and any person failing or refusing to so deliver the same when demanded shall be deemed guilty of a misdemeanor.