456 CMR 22.00 governs the procedures for mediation of grievances between parties whenever in their collective bargaining agreements or by submission they have provided for mediation through the Department. 456 CMR 22.00 applies to the mediation of grievances arising in the public sector pursuant to M.G.L. c. 150E, § 8, and in the private sector pursuant to M.G.L. c. 150.
456 CMR, § 22.01