286. A taxation year in which a taxpayer does not inhabit the taxpayer’s principal residence by reason of the relocation of the taxpayer’s place of employment or that of the taxpayer’s spouse while the taxpayer or the taxpayer’s spouse is an employee of a person with whom the taxpayer or the taxpayer’s spouse is dealing at arm’s length shall not be included in the four years mentioned in section 285, where(a) at any time, the taxpayer’s new home is at least 40 kilometres closer to the taxpayer’s new place of employment or that of the taxpayer’s spouse; and
(b) the taxpayer resumes habitation in the taxpayer’s principal residence while the taxpayer or the taxpayer’s spouse is still an employee of such person or before the end of the taxation year following that in which the taxpayer’s employment or that of the taxpayer’s spouse terminates, or the taxpayer dies while the taxpayer or the taxpayer’s spouse is still an employee of such person.