175.1.4. Where an amount is paid at any time by a person or partnership in respect of a debt obligation of a borrower as, or in lieu of, full or partial payment of interest on the debt obligation in respect of a period or part thereof that is after 31 December 1991 and after the time the amount was so paid, or as consideration for a reduction in the rate of interest payable on the debt obligation, excluding a payment described in the second paragraph of section 175.1.1, in respect of a period or part thereof that is after 31 December 1991 and after the time the amount was so paid, that amount is deemed,(a) for the purposes of section 175.1.5 and, subject to that section, for the purposes of subparagraph 1 of subparagraph ii of paragraph a of section 175.1.2, subparagraph i of paragraph b of that section, subparagraph b of the second paragraph of section 175.1.3 and section 175.1.6, to be an amount of interest payable on the debt obligation by the borrower in respect of that period or part thereof; and
(b) for the purposes of subparagraph i of paragraph a of section 175.1.2 and subparagraph a of the second paragraph of section 175.1.3, to be an amount paid at that time in satisfaction of the obligation to pay interest on the debt obligation in respect of that period or part thereof.