257.4. For the purposes of subparagraph 3 of subparagraph i.1 of paragraph n of section 257 in respect of a taxpayer’s interest in a trust, where a taxation year of the trust that includes 28 February 2000 or 17 October 2000, or that begins after 28 February 2000 and ends before 17 October 2000, ends in the taxpayer’s taxation year, that subparagraph 3 shall be read with “the product obtained by multiplying the fraction obtained when 1 is subtracted from the reciprocal of the fraction in paragraphs a to d of section 231.0.1 that applies to the trust for its taxation year, by” inserted after “equal to”.