456 CMR 23.00 governs the procedure for the arbitration of grievances which arise during the life of a collective bargaining agreement wherein the parties have agreed upon the Department as the arbitration tribunal. 456 CMR 23.00 applies to the arbitration of grievances arising in either the private sector pursuant to M.G.L. c. 150 or the public sector pursuant to M.G.L. c. 150E, § 8.
456 CMR, § 23.01