Nobena država ali regionalna organizacija za gospodarsko povezovanje ne sme deponirati listine o ratifikaciji, sprejetju, odobritvi te spremembe ali pristopu k tej spremembi, če ni predhodno ali hkrati deponirala take listine za spremembo, sprejeto na drugem sestanku pogodbenic 29. junija 1990 v Londonu.
No State or regional economic integration organization may deposit an instrument of ratification, acceptance, aproval or accession to this Amendment unless it has previously, or simultaneously, deposited such an instrument to the Amendment adopted at the Second Meeting of the Parties in London, 29 June 1990.