(1) The department may conduct an investigation into any incident, reported or unreported, which involves or appears to involve an individual receiving developmental disabilities services.

(2) The contractor must provide the department with access to the site and facilities relating to the incident and to any staff who may have knowledge of the matter.

(3) An incident involving suspected abuse and neglect of a child or suspected abuse, neglect and exploitation of a person with developmental disabilities must be investigated by the department under the statutory and rule provisions governing those investigations.