(a) A person commits an offense if the person knowingly refuses or attempts to refuse entry to the department, a health authority, or a peace officer on presentation of a valid search warrant to investigate, inspect, or take samples on premises controlled by the person or by an agent of the person acting on the person's instruction.
(b) A person commits an offense if the person knowingly refuses or attempts to refuse inspection under Section 81.064 or entry or access under Section 81.065.
(c) An offense under this section is a Class A misdemeanor.