(a) A person, including a railroad company or other common carrier, commits an offense if the person knowingly moves an animal into this state in violation of a rule of the commission adopted under Section 161.081 of this code.
(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.
(c) A person commits a separate offense for each animal moved in violation of a rule of the commission.