The Regional Planning Commission's powers shall be advisory, and shall generally pertain to the development of the region within its jurisdiction as a whole. Nothing in this article shall be deemed to reduce or limit any of the powers, duties or obligations of the City's Planning Board. The area of jurisdiction of the Regional Planning Commission shall include the areas of the municipality within the delineated planning region. It shall be the duty of the Regional Planning Commission to prepare a comprehensive Master Plan for the development of the region within its jurisdiction, including the Commission's recommendations, among other things, for the use of land within the region; for the general location, extent, type of use, and character of highways, major streets, intersections, parking lots, railroads, aircraft landing areas, waterways and bridges, and other means of transportation, communication, and other purposes; for the development, extent, and general location of parks, playgrounds, shorefront developments, parkways, and other public reservations and recreation areas; for the location, type, and character of public buildings, schools, community centers, and other public property; and for the improvement, redevelopment, rehabilitation, or conservation of residential, business, industrial and other areas; including the development of programs for the modernization and coordination of buildings, housing, zoning and subdivision regulations of the City and their enforcement on a coordinated and unified basis. The Regional Planning Commission may authorize its employees or consultants to render assistance on local planning problems to any municipality or county which is not a member of the Regional Planning Commission. The cost of such assistance shall be paid entirely by the municipality or county to which the service is rendered or partly by such municipality or county and partly by any gift, grant, or contribution which may be available for such work or by combination thereof. Such Commission shall keep a strict account of the cost of such assistance and shall provide such municipality or county with an itemized statement.