Artikel 20

1. This Convention shall enter into force on the ninetieth day after the date of deposit of the thirtieth instrument of ratification, acceptance, approval or accession.
2. For each State ratifying, accepting, approving or acceding to this Convention after its entry into force this Convention shall enter into force on the thirtieth day after the deposit of its instrument of ratification, acceptance, approval or accession.
3. The transitional arrangements that shall apply upon entry into force of this Convention are set out in the Annex.