(a) This section applies only to an incorporated municipality that has a population of more than 1,000 and that is the county seat of a county with a population of 1,380 or more but less than 1,600.
(b) Notwithstanding the definition in § 822.041(1), for purposes of this subchapter the police department of a municipality described by Subsection (a) is the animal control authority for the municipality in all areas in which a dog is kept and that are subject to the authority of the police department.