(a) A person commits an offense if the person:
(1) refuses to allow the commission or an agent of the commission to examine an animal or all or part of an animal carcass that is owned by or possessed by the person and that the commission or agent has reason to believe is affected by a communicable disease; or
(2) hinders or obstructs the commission or its agent in an examination under Subdivision (1) of this subsection.
(b) An offense under this section is a Class C misdemeanor unless it is shown on the trial of the offense that the defendant has been previously convicted under this section, in which event the offense is a Class B misdemeanor.