47. The Government, by regulation, may:
(a) designate the teachers’ associations and the agencies in the field of education for which a teacher’s services constitute a position contemplated by this act and determine the conditions thereof;
(b) fix the conditions upon which a teacher on leave without pay or engaged in specialized studies, or who teaches temporarily under an authority with whom no agreement has been made under section 44, shall be deemed to hold a position contemplated by this act;
(c) determine what constitutes a physical or mental infirmity which renders a teacher unable to perform his ordinary duties;
(d) prescribe the documents required to establish the right to the pension, widow’s or widower’s pension, deferred pension or any other benefit payable under this act as well as periodic verification;
(e) define what constitutes a pedagogical or educational position;
(f) define what constitutes a teaching institution for the purposes of sections 22, 23 and 24;
(g) establish, in accordance with section 31.2, new rates of contribution.