Tex. Hum. Res. Code § 161.104

The department shall develop and implement a quality assurance program for guardianship services provided by or on behalf of the department. If the department enters into a contract with a political subdivision, guardianship program, private agency, or other state agency under Section 161.103, the department shall establish a monitoring system as part of the quality assurance program to ensure the quality of guardianship services for which the department contracts under that section.