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a). This Protocol shall be open to signature by all Members which have signed the Agreement. The Protocol shall be ratified at the same time as or after the ratification of the Agreement. Instruments of ratification shall be deposited with the Secretary-General of the Council of Europe.
b). This Protocol shall enter into force on the day when it shall have been ratified by all the signatories who at that date have ratified the Agreement, on condition that the number of signatories who have ratified the Agreement and the Protocol shall not be fewer than seven.
c). As regards any signatory ratifying subsequently, the Protocol shall enter into force at the date of the deposit of its instrument of ratification.
d). In the case of Members which have acceded to the Agreement and Protocol in accordance with the terms of Article 1 the Agreement and Protocol shall enter into force:
(i) On the date specified in paragraph (b) above in cases where the instrument of accession has been deposited prior to this date; or
(ii) On the date of deposit of the instrument of accession in cases where this instrument is deposited at a date subsequent to that specified in paragraph (b) above.