(a) A person who owns or keeps custody or control of a dangerous dog commits an offense if the person fails to comply with Section 822.042 or Section 822.0422(b) or an applicable municipal or county regulation relating to dangerous dogs.
(b) Except as provided by Subsection (c), an offense under this section is a Class C misdemeanor.
(c) An offense under this section is a Class B misdemeanor if it is shown on the trial of the offense that the defendant has previously been convicted under this section.