96. A supply by way of sale of a single unit residential complex, a residential unit held in co-ownership or an interest in such a residential complex or unit, made by the builder of the residential complex or unit, is exempt if the builder is deemed, under section 223 or 224, to have made at any time another supply of the residential complex before ownership of the residential complex, residential unit or interest is transferred to the recipient of the supply.
The first paragraph does not apply if, after that time,(1) the builder claimed an input tax refund in respect of the acquisition of or an improvement to the residential complex or unit; and
(2) after the builder claimed the input tax refund and before ownership of the residential complex or interest is transferred to the recipient of the supply, the builder was not deemed under section 258 or 261 or, by reason of section 270, under section 243 to have made another supply by way of sale of the residential complex or unit.