Artikel 14

1. This Convention shall be open for signature by European States and European regional economic integration organisations in Joensuu on 28 August 2003. Thereafter, it shall remain open for signature in Helsinki at the Ministry for Foreign Affairs of Finland, until 28 November 2003.
2. This Convention is subject to ratification, acceptance or approval by the signatory States and regional economic integration organisations. Instruments of ratification, acceptance or approval shall be deposited with the Government of Finland which shall act as the depositary.
3. This Convention shall be open for accession by those European States and European regional economic integration organisations that have not signed it. Instruments of accession shall be deposited with the Depositary.
4. For the purposes of this Convention, a European State is a State which is eligible for membership of the United Nations Economic Commission for Europe as a European State.