I. – The following are entitled to initiate the procedure for revising a company or establishment agreement:
1° Until the end of the electoral cycle during which this agreement was concluded, one or more trade union organisations representing employees in the field of application of the agreement and signatories or members of this agreement;
2° At the end of this period, one or more trade union organisations representing employees in the field of application of the agreement.
II. – The validity of a revision amendment is assessed in accordance with Section 3 of Chapter II of Title III of this Book II.