Artikel XVII

a) The Convention shall enter into force sixty days after the date on which it has been signed, in accordance with subparagraph i) of paragraph a) of Article XVI of the Convention, or has been ratified, accepted or approved, by two-thirds of the States which, at the date on which it is opened for signature, have jurisdiction over Signatory Parties to the Provisional Agreement provided that those Signatory Parties, or their designated Signatories to the ECS Agreement, hold at least two-thirds of the financial shares under the ECS Agreement.
b) The Convention shall not enter into force less than eight months after the date on which it is opened for signature. The Convention shall not enter into force if it has not been signed, ratified, accepted or approved under paragraph a) of this Article, within thirty six-months of the date on which it is opened for signature.
c) For a State whose instrument of ratification, acceptance, approval or accession is deposited after the date on which the Convention enters into force, the Convention shall enter into force on the date of such deposit.
d) Upon entry into force, the Convention will be applied provisionally for any State which has signed it subject to ratification, acceptance or approval and has so requested at the time of signature or at any later time before entry into force. Provisional application shall end: i) upon deposit of an instrument of ratification, acceptance or approval by that State, or
ii) at the end of two years from the date on which the Convention enters into force without having been ratified, accepted or approved by that State, or
iii) upon notification by that State, before the end of the period mentioned in subparagraph ii) of this paragraph, of its decision not to ratify, accept or approve the Convention. When provisional application ends under subparagraph ii) or iii) of this paragraph, paragraph c) of Article XIII of the Convention shall govern the rights and obligations of the Party.
i) upon deposit of an instrument of ratification, acceptance or approval by that State, or
ii) at the end of two years from the date on which the Convention enters into force without having been ratified, accepted or approved by that State, or
iii) upon notification by that State, before the end of the period mentioned in subparagraph ii) of this paragraph, of its decision not to ratify, accept or approve the Convention.
e) Upon entry into force, the Convention shall replace and terminate the Provisional Agreement. However, nothing in the Convention shall affect any right or obligation of a Party acquired in its former capacity as a Signatory Party to the Provisional Agreement.