Article 17 - Entry into force

1 The Convention shall enter into force on the first day of the month following the expiration of a period of one month after the date on which three member States of the Council of Europe have expressed their consent to be bound by the Convention in accordance with the provisions of Article 16.

2 In respect of any Signatory State which subsequently expresses its consent to be bound by it, the Convention shall enter into force on the first day of the month following the expiration of a period of one month after the date of the deposit of the instrument of ratification, acceptance or approval.