Sch A1 para 49
(1) This paragraph applies if the CAC issues a declaration under paragraph 119D(4), 119H(5) or 121(3) that bargaining arrangements are to cease to have effect; and this is so whether the ballot concerned is arranged under Part IV or Part V of this Schedule. (2) The application in question is invalid if— (a) the application is made within the period of 3 years starting with the day after that on which the declaration was issued, (b) the relevant bargaining unit is the same or substantially the same as the bargaining unit to which the bargaining arrangements mentioned in sub-paragraph (1) relate, and (c) the application is made by the union which was a party (or unions which were parties) to the proceedings leading to the declaration.