The Ontario Building Code | Change of Use and Compensating Construction
18.104.22.168. Change of Use and Compensating Construction
(1) Where proposed construction will result in a change of use described in Subclauses 22.214.171.124.(1)(a)(i) to (iv) and (vi), additional construction shall be required in order that the building or part of a building subject to the change of use conforms to the requirements of Subsection 3.2.6. and Sections 3.7., 3.11. and 3.12. as they apply to the new major occupancy that the building or part of a buildingis to support.
(2) For the purposes of this Article, existing buildingsshall be classified as to their construction and occupancy as provided for in Sentence 126.96.36.199.(1).