17.—(1) This paragraph applies if the Court has received an application under paragraph 11 or 12 and—N.I.
(a)it has not decided whether the application is admissible, or
(b)it has decided that the application is admissible.
(2) No further steps are to be taken under this Part if, before the final event occurs, the parties give notice to the Court that they want no further steps to be taken.
(3) The final event occurs when the first of the following occurs—
(a)the Court issues a declaration under paragraph[F2 19F(5) or] 22(2) in consequence of the application;
(b)the last day of the notification period ends;
and the notification period is that defined by paragraph[F2 24(6)] and arising from the application.