(a) if the amount was claimed as an input tax credit in a return filed under Part IX of the Excise Tax Act (R.S.C. 1985, c. E-15) for a reporting period under that Act,i. at the particular time that is the time that the goods and services tax in respect of the credit was paid or, if it is earlier, the time that it became payable if(1) the particular time is in the reporting period, or
(2) the taxpayer’s threshold amount, determined in accordance with subsection 1 of section 249 of the Excise Tax Act, is greater than $500,000 for the taxpayer’s fiscal period, within the meaning of that Act, that includes the particular time and the taxpayer claimed the input tax credit at least 120 days before the end of the period described in paragraph a or a.0.1 of subsection 2 of section 1010, for the taxation year that includes the particular time,
ii. at the end of the reporting period, if(1) subparagraph i does not apply, and
(2) the taxpayer’s threshold amount, determined in accordance with subsection 1 of section 249 of the Excise Tax Act, is $500,000 or less for the taxpayer’s fiscal period, within the meaning of that Act, that includes the particular time, and
iii. in any other case, on the last day of the taxpayer’s first taxation year that begins after the taxation year that includes the particular time and for which the period described in paragraph a or a.0.1 of subsection 2 of section 1010 ends at least 120 days after the time that the input tax credit was claimed; or