5. A request based on paragraph 2 of section 73 of the Charter shall be accompanied by an attestation in writing issued by each school body or school attended by the child for whom the request is made or, where applicable, attended by the child’s brother or sister, indicating
(1) the period during which the child or, where applicable, the child’s brother or sister, received elementary or secondary instruction there;
(2) the proportion of that instruction received in English in relation to all instruction received; and
(3) the place where that instruction was received.
Any request based on the studies of the child’s brother or sister shall be accompanied by a birth certificate of that brother or sister stating the names of their father and mother. Failing such certificate, any other official document issued by a competent authority and establishing the date of birth, sex and filiation of the brother or sister shall be produced.