There shall be no communication concerning the pending case between the parties and the panel members after the chairman of the panel has declared the arbitration hearing or hearings closed. Any other oral or written communication, other than the briefs and reply briefs, from the parties to the panel members shall be directed to the director of the board for transmittal to the respective panel members. It shall be the duty of the board to notify a party of any communication of the other party.
Conn. Agencies Regs. § 31-91-49