19A.—(1) This paragraph applies if—N.I.
(a)the Court accepts an application under paragraph 11(2) or 12(2),
(b)during the appropriate period (defined by paragraph 18), the Court is requested by the union (or unions) to make a decision under this paragraph, and
(c)the Court is, either at the time the request is made or at a later time during the appropriate period, of the opinion that the employer has failed to comply with the duty imposed by paragraph 18A.
(2) Within the decision period, the Court must decide whether the proposed bargaining unit is appropriate.
(3) If the Court decides that the proposed bargaining unit is not appropriate, it must also decide within the decision period a bargaining unit which is appropriate.
(4) The decision period is—
(a)the period of 10 working days starting with the day after the day on which the request is made, or
(b)such longer period (so starting) as the Court may specify to the parties by notice containing reasons for the extension.