Artikel 19

1. After this Convention has been in force for six years, any Member State may denounce it by notifying the depositary of the Convention, thereby leaving the General Budget, mandatory and optional programmes. The denunciation shall take effect for the General Budget at the end of the five year period for which the financial ceiling was decided, and for the mandatory or optional programmes at the time of the expiration of the programmes.
2. The State concerned shall retain the rights it has acquired up to the date the denunciation takes effect with regard to the various programmes in which it was involved.
3. If a Member State ceases to be a party to the Convention, the scale of contributions for the General Budget shall be adjusted in accordance with Article 10.2 for the five year period following the period in which the State concerned denounced the Convention.