61.0.4. For the purposes of section 103.4 of the Act, the consumer’s debt ratio corresponds to the expression in percentage of the fraction that constitutes the sum of the following monthly disbursements in relation to the consumer’s monthly income:
(a) the disbursements referred to in paragraphs b and c of section 61.0.1;
(b) the disbursements payable under the contract proposed to the consumer by the merchant or their monthly cost if they are established on a basis other than monthly.
For the purposes of subparagraph a of the first paragraph, disbursements required under a contract are not taken into account if the contract must be replaced by the contract referred to in subparagraph b of the first paragraph.
For the purposes of subparagraph b of the first paragraph, if the contract proposed is an open credit contract, the minimum periodic payment that would be payable if the credit limit were reached is used.