16.4.—(1) This rule applies where the court can—
(a)impose a restriction on—
(i)reporting what takes place at a public hearing, or
(ii)public access to what otherwise would be a public hearing;
(b)withhold information from the public during a public hearing.
(2) The court may do so—
(a)on application by a party; or
(b)on its own initiative.
(3) A party who wants the court to do so must—
(a)apply as soon as reasonably practicable;
(b)notify—
(i)each other party, and
(ii)such other person (if any) as the court directs;
(c)specify the proposed terms of the order, and for how long it should last;
(d)explain—
(i)what power the court has to make the order, and
(ii)why an order in the terms proposed is necessary;
(e)where the application is for a reporting direction in respect of a witness under section 46 of the Youth Justice and Criminal Evidence Act 1999, explain—
(i)how the witness is eligible for assistance, and
(ii)why a reporting direction would be likely to improve the quality of the witness’ evidence, or the level of co-operation the witness gives the applicant in connection with the preparation of the applicant’s case.