Excise Tax Act ( R.S.C. , 1985, c. E-15)

until the complex is supplied by way of sale, or is supplied by way of lease, licence or similar arrangement primarily to persons who are not employees, contractors or subcontractors referred to in subparagraph (b)(i) who are acquiring the complex or residential units therein in the circumstances described in that subparagraph or individuals who are related to such employees, contractors or subcontractors, the supply of the complex or a residential unit in the complex as a place of residence or lodging is deemed not be a supply and any occupation of the complex or unit as a place of residence or lodging is deemed not to be occupation as a place of residence or lodging.

the builder shall be deemed to have at that time given possession of the complex or unit to an individual under a lease, licence or similar arrangement entered into for the purpose of its occupancy by an individual as a place of residence.