456 C.M.R. 15.11
(1) During the pendency of a petition filed pursuant to M.G.L. c. 150E, § 4 any party to the petition may file a motion with the Department requesting that a pending prohibited practice charge "block" the conduct of an election. Such motion shall include a complete statement of the reasons supporting such motion and evidence sufficient to establish probable cause to believe that:
REGULATORY AUTHORITY
456 CMR 15.00: M.G.L. c. 23, §§ 9O, 9T(c), 9T(d); c. 150E, §§ 11, 10, 13, 14; c. 150A, §§ 6,
6B, 7 and 8.