Conn. Agencies Regs. § 17-311-103
The administration of the arbitration proceedings shall be conducted jointly by the office of the chief court administrator and the clerk of the superior court of the judicial district wherein the state referee who is to serve as an arbitrator has his office and chambers. Requests for arbitration, all correspondence and any other papers or process necessary or proper for the initiation of continuation of an arbitration under these regulations and for any court action therewith or for the entry of judgment on an award made thereunder shall be served, in addition to the commissioner and the provider, on the chief court administrator, the state referee participating as the third arbitrator, and the office of the clerk of the superior court for the judicial district where the state referee has his chambers. All papers, process or notices to the commissioner shall be mailed to by certified mail or served upon the commissioner at 110 Bartholomew Avenue, Hartford, Connecticut.
Conn. Agencies Regs. § 17-311-103