The commission and the secretary shall keep confidential and shall not disclose, except when required by court order after a hearing in a judicial proceeding, all lists of persons subject to this chapter in their possession. However, the commission shall establish procedures to provide divers and handlers access to communication with other divers and handlers regarding nonproprietary matters affecting the commission and persons subject to its jurisdiction. The access shall not include the actual release of the names and addresses of divers and handlers in the possession of the commission or the secretary.