11.3. Any stipulation under which the merchant may unilaterally cancel a fixed-term service contract involving sequential performance is prohibited, except under articles 1604 and 2126 of the Civil Code and, in the latter case, only in accordance with article 2129 of the Code.
A merchant who intends to cancel an indeterminate-term service contract involving sequential performance must notify the consumer in writing at least 60 days before the date of cancellation if the consumer has not defaulted on his obligation.