79.19. The proposed plan may be submitted to the Gouvernement du Québec for approval after the expiry of 90 days from the date the proposed plan is sent to the Cree Nation Government. However, if the latter submits observations or proposed amendments to the Minister of Natural Resources within that time period, the proposed plan may not be submitted to the Gouvernement du Québec for approval until the expiry of the process provided for in sections 79.20 to 79.26 or until the Cree Nation Government gives notice in writing of its approval of the proposed plan.