83.—(1) This paragraph applies if in the Court's opinion the new unit contains at least one worker falling within a statutory outside bargaining unit.N.I.
(2) In such a case—
(a)the Court must issue a declaration that the relevant bargaining arrangements, so far as relating to workers falling within the new unit, are to cease to have effect on a date specified by the Court in the declaration, and
(b)the relevant bargaining arrangements shall cease to have effect accordingly.
(3) The relevant bargaining arrangements are—
(a)the bargaining arrangements relating to the original unit, and
(b)the bargaining arrangements relating to each statutory outside bargaining unit containing workers who fall within the new unit.
(4) The bargaining arrangements relating to the original unit are the bargaining arrangements as defined in paragraph 64.
(5) The bargaining arrangements relating to an outside unit are—
(a)the declaration recognising a unit (or unions) as entitled to conduct collective bargaining on behalf of the workers constituting the outside unit, and
(b)the provisions relating to the collective bargaining method.
(6) For this purpose the provisions relating to the collective bargaining method are—
(a)any agreement by the employer and the union (or unions) as to the method by which collective bargaining is to be conducted with regard to the outside unit,
(b)anything effective as, or as if contained in, a legally enforceable contract and relating to the method by which collective bargaining is to be conducted with regard to the outside unit, or
(c)any provision of this Part that a method of collective bargaining is to have effect with regard to the outside unit.
(7) A statutory outside bargaining unit is a bargaining unit which fulfils these conditions—
(a)it is not the original unit;
(b)a union is (or unions are) recognised as entitled to conduct collective bargaining on its behalf by virtue of a declaration of the Court;
(c)the union (or at least one of the unions) is not a party referred to in paragraph 64.
(8) The date specified under sub-paragraph[F1 (2)(a)] must be—
(a)the date on which the relevant period expires, or
(b)if the Court believes that to maintain the relevant bargaining arrangements would be impracticable or contrary to the interests of good industrial relations, the date after the date on which the declaration is issued;
and the relevant period is the period of 65 working days starting with the day after that on which the declaration is issued.