84. The following documents shall be filed with Retraite Québec in support of every claim in respect of a child aged 18 or over:(1) where it is claimed that the child is or was registered in a course requiring full-time attendance, without significant interruption, in a school or university, a statement in the form prescribed by Retraite Québec and signed by an official of that school or university, certifying that the child is or was registered;
(2) where it is claimed that the child attends or attended, for a period of time, a school or university on a full-time basis without significant interruption, a statement of attendance in the form prescribed by Retraite Québec, signed by the child in question.