Any representative trade union organisation of employees and any trade union organisation or association of employers or individual employers may join an agreement.
However, if the activity in which they or their members engage does not fall within the scope of the agreement, their membership is subject to the provisions of articles L. 2261-5 or L. 2261-6, as applicable.
Membership is notified to the signatories of the convention or agreement and is filed in accordance with the conditions laid down by regulation, at the request of its author(s).