The director of the department of behavioral healthcare, developmental disabilities and hospitals shall establish, within the division of developmental disabilities, an office of quality assurance for persons with developmental disabilities. The purpose of the office shall be to:

(1)  Assure the quality of services provided by agencies or individuals to participants as defined in this chapter;

(2)  Provide for the protection and promotion of the legal and civil rights of participants provided in § 40.1-26-3;

(3)  As the designated office for the director of behavioral healthcare, developmental disabilities and hospitals, investigate and evaluate, or cause to be investigated and evaluated, reports made pursuant to § 40.1-27-2.