Texas Parks and Wildlife Code - PARKS & WILD § 13.016. Inmate Labor

(a) The department may use the labor of an inmate confined in a state, county, or local correctional facility on or in connection with state parks, wildlife management areas, or other property under the control or jurisdiction of the department.

(b) Inmates working in connection with lands under the control or jurisdiction of the department remain under the control of the Texas Department of Criminal Justice or county or local correctional facility, as appropriate, and are considered as serving their terms in the Texas Department of Criminal Justice or other correctional facility.

(c) The department may purchase equipment, meals, supplies, and materials for an inmate working at a department site as necessary to facilitate the use of the labor described by this section.

(d) The department may not use the labor of an inmate convicted of an offense listed in Article 62.001(5), Code of Criminal Procedure.

(e) The department may not use the labor of an inmate convicted of any violent offense.