§ 31.09 Powers of the department regarding investigation and inspection. (a) In conducting an investigation or inspection, the commissioner or his authorized representative shall have the power to inspect facilities, examine records, conduct examinations and interviews, and obtain such other information as may be required in order to carry out his responsibilities under this article. (b) All investigations and inspections of clinical records shall be made by persons competent to conduct such investigations and inspections. Information obtained by the commisioner from the records of patients receiving services shall be kept confidential in accordance with the provisions of this chapter.