69.—(1) This paragraph applies if—N.I.
(a)the Court gives notice of acceptance of the application, and
(b)before the end of the first period the parties agree a bargaining unit or units (the new unit or units) differing from the original unit and inform the Court of their agreement.
(2) If in the Court's opinion the new unit (or any of the new units) contains at least one worker falling within an outside bargaining unit no further steps are to be taken under this Part.
(3) If sub-paragraph (2) does not apply—
(a)the Court must issue a declaration that the union is (or unions are) recognised as entitled to conduct collective bargaining on behalf of the new unit or units;
(b)so far as it affects workers in the new unit (or units) who fall within the original unit, the declaration shall have effect in place of any declaration that the union is (or unions are) recognised as entitled to conduct collective bargaining on behalf of the original unit;
(c)the method of collective bargaining relating to the original unit shall have effect in relation to the new unit or units, with any modifications which the Court considers necessary to take account of the change of bargaining unit and specifies in the declaration.
(4) The first period is—
(a)the period of 10 working days starting with the day after that on which the Court gives notice of acceptance of the application, or
(b)such longer period (so starting) as the parties may from time to time agree and notify to the Court.
(5) An 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;
(c)the union (or at least one of the unions) is not a party referred to in paragraph 64.