SECTION III - PUBLIC ORDER Article 13
The provisions of this law are of the nature of public order, excepting derogations
provided expressly. Consequently, all rules resulted from a unilateral decision, a contract or a convention that do not comply with the provisions of this law or any legal text for its enforcement, are null and void.
Except for the provisions of this law that cannot be derogated in any way, the nature of public order of this law is not obstructive to the granting of benefits or the rights superior to the benefits and the rights defined in this law, granted to workers by a unilateral decision of an employer or a group of employers, by an employment contract, by a collective convention or agreement, or by an arbitral decision.