(1) To department employees who are responsible for carrying out this chapter;

(2) Pursuant to court order or subpoena issued by a court;

(3) With written permission of the registered patient or the patient's guardian, if the patient is under guardianship, or a parent, if the patient has not attained 18 years of age;

(4) As permitted or required for the disclosure of health care information pursuant to section 1711-C;

(5) To a law enforcement official for verification purposes. The records may not be disclosed further than necessary to achieve the limited goals of a specific investigation , except that a list of the registered primary caregivers in a law enforcement official's jurisdiction may be disclosed to assist the law enforcement official in ruling out a caregiver when verifying reports of criminal activity; and

(6) To a registered patient's treating medical provider and to a registered patient's registered primary caregiver for the purpose of carrying out this chapter.