The department may require submission of reports by a certificate of approval holder and shall cause at least one annual unannounced inspection of a children‘s residential facility to assess compliance with applicable requirements and standards. The inspections shall be conducted by the department of inspections, appeals, and licensing in addition to initial, renewal, and other inspections that result from complaints or self-reported incidents. The department of inspections, appeals, and licensing and the department may examine records of a children’s residential facility and may inquire into matters concerning the children’s residential facility and its employees, volunteers, and subcontractors relating to requirements and standards for children’s residential facilities under this chapter.