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(1). This Convention shall enter into force three months after deposit of the fifth instrument of ratification, acceptance or accession.
(2). For each State ratifying, accepting or acceding to this Convention after the deposit of the fifth instrument of ratification, acceptance or accession, the Convention shall enter into force three months after the date on which the Director General of the World Intellectual Property Organization informs the States, in accordance with Article 13, paragraph (4), of the deposit of its instrument.
(3). Any State may, at the time of ratification, acceptance or accession or at any later date, declare by notification addressed to the Secretary-General of the United Nations that this Convention shall apply to all or any one of the territories for whose international affairs it is responsible. This notification will take effect three months after the date on which it is received.
(4). However, the preceding paragraph may in no way be understood as implying the recognition or tacit acceptance by a Contracting State of the factual situation concerning a territory to which this Convention is made applicable by another Contracting State by virtue of the said paragraph.