Texas Local Government Code - LOC GOV'T § 157.021. Hours of Work of County Employees

(a) In a county with a population of 355,000 or more, the commissioners court may adopt and enforce uniform rules on the hours of work of department heads, assistants, deputies, and other employees whose compensation is set or approved by the court.

(b) The commissioners court of any county may adopt and enforce uniform rules on overtime and compensatory time for department heads, assistants, deputies, and other employees whose compensation is set or approved by the commissioners court. The rules may: