1529.The regional medical staffing plan developed for a region by the Minister under section 377 of the Act respecting health services and social services (chapter S-4.2) and section 91 of the Act to modify the organization and governance of the health and social services network, in particular by abolishing the regional agencies (chapter O-7.2), as it had effect on the day before the day of amalgamation, remains in force until a territorial medical staffing plan is approved by the Minister for the corresponding territory in accordance with section 479 of this Act.