**1.** This Protocol shall enter into force on the first day of the month following the expiration of a period of three months after the date on which five States, including at least four member States of the Council of Europe, have expressed their consent to be bound by the Protocol in accordance with the provisions of Article 30.
**2.** In respect of any Signatory which subsequently expresses its consent to be bound by it, the Protocol shall enter into force on the first day of the month following the expiration of a period of three months after the date of the deposit of the instrument of ratification, acceptance or approval.
CHAPTER XI
Artikel 31
Entry into force
Onderdeel van Aanvullend Protocol bij het Verdrag inzake de rechten van de mens en de biogeneeskunde inzake transplantatie van organen en weefsel van menselijke herkomst· Internationaal publiekrecht