29.—(1) A report of any decision, a statement of reasons for a decision or of advice, a warrant or continuation of warrants for finding and keeping a child in a place of safety, or any other writing, authorised or required by Chapter 2 or 3 of the Act or these Rules to be made, given, issued or granted by a children’s hearing or by the chairman of a children’s hearing shall be sufficiently authenticated if it is signed by the chairman, or, if he is unavailable, by a member of that hearing.
(2) Any document authorised or required by these Rules to be made or executed by the Principal Reporter shall be sufficiently authenticated if it is signed by the Principal Reporter or by a person duly authorised by him.
(3) Any copy of any document authorised or required by these Rules to be given or issued by the Principal Reporter may be certified as a true copy by the Principal Reporter or by a person duly authorised by him.