Restaurants, pubs and similar uses may be permitted, provided that all such uses combined shall not occupy more than 50% of the gross floor area of a building; Indoor recreation uses including fimess centres, mini-golf, racquet sports and similar uses, provided thar the minjmum area occupied by each individual indoor recreation use is at least 550 m (5,920 sq. ft.); Hotel and convention centres: Passenger or tourist bus terminals, but maintenance facilities for buses are prohibited in this zone; Accessory offices to uses permitted in this zone, provided that such offices are located in the same building as the principal use; Accessory child care services, provided that they are located within a principal building; (3) SITING OF USES All permitted uses, other than accessory off-street parking and accessory ivading, shall be completely enclosed within a building. (4) AUTOMOTIVE SALES USE For au:omotive sales and accessory service use permitted by subsection (2)(e): (a) AU display of vehicles for sale and all service and storage of vehicles in disrepair shall be enclosed within a building; (b) Aréas used for outdoor storage of vehicles for sale shall not exceed 25% of the lot area and shall be concealed from every street and park by a 2 m (6.6 ft.) screen of fencing and landscaping. (5) ACCESSORY RETAIL SALES Sales and disp: .» areas for an accessory retail sales use shall be located in the principal building and shall not exceed 20% of the gross floor area of the building. (6) OFFICE USES - MINIMUM AREA Office uses permitted by subsection (2)(i) shall occupy a minimum or 550 m? (5,920 sq. ft.) of floor area for each agency or business. (7) INDOOR RECREATION USES - MINIMUM AREA Indoor recreation uses permitted by subsection (2)(k) shall occupy a minimum of 550 m* (5,920 sq. ft.) of floor area for each individual recreation use.