1029.6.0.1.9. A taxpayer who is deemed, under a provision of this chapter, to have paid an amount to the Minister on the taxpayer’s balance-due day for a taxation year, in relation to an amount of government assistance or non-government assistance that is repaid, is deemed, despite the provision and for the purpose of computing the payments that the taxpayer is required to make during the year under section 1025 or 1026, subparagraph a of the first paragraph of section 1027 or any of sections 1145, 1159.7, 1175 and 1175.19 where they refer to that subparagraph a, to have paid to the Minister, on account of the aggregate of the taxpayer’s tax payable for the year under this Part and of the taxpayer’s tax payable for the year under Parts IV, IV.1, VI and VI.1, on the date on or before which each payment is required to be made, an amount equal to the lesser of(a) the amount by which the aggregate of all amounts each of which is an amount that the taxpayer is deemed, under such a provision, to have paid to the Minister on the taxpayer’s balance-due day for the year, in relation to an amount so repaid, exceeds the portion of that aggregate that may reasonably be considered to be deemed to have been paid to the Minister under this section in the year but before that date; and
(b) the amount by which the amount of that payment, determined without reference to this chapter, exceeds the aggregate of all amounts each of which is an amount that is deemed, under this chapter but otherwise than under this section, to have been paid to the Minister on that date, for the purpose of computing that payment.