7. The Corporation must,(a) until 31 October 1997, invest directly or through one or more of its wholly owned corporations incorporated, either by special act of the National Assembly or under Québec laws of general application, at least fifty per cent of that part intended for the Inuit of the compensation provided for in subsection 25.1 of the Agreement, from time to time as it is received, in the investments described in the schedule;
(b) until 31 October 1987, invest directly or through one or more of its wholly owned corporations incorporated, either by special act of the National Assembly or under Québec laws of general application, at least twenty-five per cent, in addition to the minimum of fifty per cent contemplated in paragraph a, of that part intended for the Inuit of the compensation referred to in subsection 25.1 of the Agreement, from time to time as it is received, in the investments described in the Schedule.