If any land in Canada or depreciable property in Canada of a prescribed class of a taxpayer to which subsection (5) would otherwise apply was, before the taxpayer’s death, used principally in a farming business in which the taxpayer, the taxpayer’s spouse or common-law partner or any of the taxpayer’s children was actively engaged on a regular and continuous basis (or, in the case of property used in the operation of a woodlot, was engaged to the extent required by a prescribed forest management plan in respect of that woodlot), the property is, as a consequence of the death, transferred or distributed to a child of the taxpayer who was resident in Canada immediately before the death and it can be shown, within the period ending 36 months after the death or, if written application that this subsection apply has been made to the Minister by the taxpayer’s legal representative within that period, within any longer period that the Minister considers reasonable in the circumstances, that the property has vested indefeasibly in the child,