Return information submitted to any party or parties acting for and on behalf of the state shall be treated as confidential. Disclosure of such information necessary under K.S.A. 79-3655 and 79-3656, and amendments thereto, shall be pursuant to a written agreement between the department and the party or parties. Such party or parties shall be bound by the same requirements of confidentiality as the department, under K.S.A. 75-5133, and amendments thereto.
K.S.A. 79-3657