Article 33: Entry into Force (1) This Convention shall enter into force sixty days after the date on which States representing 95 per cent of the initial investment shares have become Parties to the Convention. (2) Notwithstanding paragraph (1), if the Convention has not entered into force within thirty-six months after the date it was opened for signature, it shall not enter into force. (3) For a State which deposits an instrument of ratification, acceptance, approval or accession after the date on which the Convention has entered into force, the ratification, acceptance, approval or accession shall take effect on the date of deposit.