Paragraph 4
(1)
If—
(a)
a document or thing is produced in pursuance of a requirement imposed by a witness summons under paragraph 2,
(b)
the person applying for the summons concludes that a requirement imposed by the summons under paragraph 1(2) is no longer needed, and
(c)
he makes an application to the judicial officer in accordance with paragraph 5 that the summons shall be of no further effect,
the judicial officer may direct accordingly.
(2)
If a direction is given under this paragraph the relevant court administration officer shall notify the person to whom the witness summons is directed as to the effect of the direction.