79.21.In the case of a regional county municipality all or part of whose territory is situated within the territory of the metropolitan community, the plan relating to the development of the territory of a regional county municipality must take account of the general economic development plan of the metropolitan community referred to in section 150 of the Act respecting the Communauté métropolitaine de Montréal (chapter C-37.01) or section 143 of the Act respecting the Communauté métropolitaine de Québec (chapter C-37.02)