[§334E-3]  Investigation procedures. (a)  In an investigation pursuant to section 334E-2(c), the department ofhealth may:

(1)  Make inquiries and obtain information as deemednecessary;

(2)  Enter without notice to inspect the premises of apsychiatric facility; provided that such entry shall be authorized by thedepartment in writing and that such authorization shall be furnished upon entryto the person in charge of the facility; and

(3)  Hold private hearings.

(b)  The department of health shall maintainsecrecy in respect to all matters including the identities of the complainantsor witnesses, except so far as disclosures may be necessary to enable it tocarry out duties and to support recommendations. [L 1987, c 158, §1]