The Ontario Building Code | Buildings Containing More Than One Major Occupancy
9.10.2.4. buildings Containing More Than One Major Occupancy
(1) In a building containing more than 1 major occupancy, where the aggregate area of all major occupancies in a particular group or division does not exceed 10% of the floor area on the storey on which they are located, they need not be considered as major occupancies for the purposes of Articles 9.10.2.3. and 9.10.8.1. provided they are not classified as Group F, Division 2 occupancies.
9.10.3. Ratings