(a) A county that has paid medical expenses, doctor bills, hospital bills, or salary for a sheriff, deputy sheriff, constable, deputy constable, or other county or precinct law enforcement official under Article III, Section 52e, of the Texas Constitution, as adopted in 1967, is subrogated to the law enforcement official’s right of recovery for personal injuries caused by another to the extent of the payments made by the county.
(b) A county may not refuse to pay medical expenses, doctor bills, or hospital bills on the ground that the law enforcement official has a claim for damages for personal injury.