In addition to the confidentiality requirements in section 26.1-36-12.4, information pertaining to an eligible employee's group medical records for claims, employee premium payments made, salary reduction amounts taken, history of any available insurance coverage purchased, and amounts and types of insurance applied for under the supplemental life insurance coverage under this chapter is confidential and is not a public record. The information and records may be disclosed, under rules adopted by the board, only to:
1. A person to which the eligible employee has given written authorization to have the information disclosed.
2. A person legally representing the eligible employee, upon proper proof of representation, and unless the eligible employee specifically withholds authorization.
3. A person authorized by a court order.
4. A person to which the board is required to disclose information pursuant to federal or state statutes or regulations.
5. Any person if the purpose of the disclosure is for treatment, payment, or health care operations.