70. A borrower may, from the end of the partial exemption period, require that the rate of interest applicable to the balance of any loan granted under the Act be the hypothecary interest rate offered by the financial institution for the term chosen by the borrower.
The borrower and the financial institution may agree on a term that exceeds the terms for which a hypothecary interest rate is offered. In such a case, the applicable rate of interest is the hypothecary interest rate offered by the financial institution for the longest term.
The repayment agreement must indicate the rate of interest and the amount and number of payments agreed on by the borrower and the financial institution for full repayment of all of the principal and interest. Subsequent modifications may be made only on agreement.