Texas Local Government Code - LOC GOV'T § 157.022. Hours of Work of Peace Officers in Counties of More Than One Million

(a) A peace officer employed by a county with a population of more than one million may not be required to work more hours during a calendar week than the number of hours in the normal work week of the majority of other county employees.

(b) A sheriff or constable may require a peace officer to work more hours than allowed by Subsection (a) if the sheriff or constable determines an emergency exists that requires the officer to work extra hours.

(c) A peace officer who elects to work extra hours during a calendar week shall be compensated on a basis consistent with overtime provisions of the county personnel policy.