13. Any stipulation requiring the consumer, upon the non-performance of his obligation, to pay a stipulated fixed amount or percentage of charges, penalties or damages, other than the interest accrued, is prohibited.
The prohibition under the first paragraph does not apply to contracts of sale or long-term contracts of lease of automobiles, except with respect to charges and subject to the conditions set out in the regulation.
This section does not apply to a contract of credit.
1978, c. 9, s. 13; 1980, c. 11, s. 105; 2009, c. 51, s. 3.