At the time of signature, acceptance, approval or accession, a Regional Economic Integration Organisation may declare that it exercises competence over all the matters governed by this Convention and that its Member States will not be Parties to this Convention but shall be bound by virtue of the signature, acceptance, approval or accession of the Organisation.

In the event that a declaration is made by a Regional Economic Integration Organisation in accordance with paragraph 1, any reference to a “Contracting State” or “State” in this Convention shall apply equally, where appropriate, to the Member States of the Organisation.