Article 14

1.
a) Any State that is a party to the Paris Convention for the Protection of Industrial Property may become party to this Protocol.
b) Furthermore, any intergovernmental organization may also become party to this Protocol where the following conditions are fulfilled:
(i) at least one of the member States of that organization is a party to the Paris Convention for the Protection of Industrial Property;
(ii) that organization has a regional Office for the purposes of registering marks with effect in the territory of the organization, provided that such Office is not the subject of a notification under Article 9quater.

2. Any State or organization referred to in paragraph 1 may sign this Protocol. Any such State or organization may, if it has signed this Protocol, deposit an instrument of ratification, acceptance or approval of this Protocol or, if is has not signed this Protocol, deposit an instrument of accession to this Protocol.

3. The instruments referred to in paragraph 2) shall be deposited with the Director General.

4.
a) This Protocol shall enter into force three months after four instruments of ratification, acceptance, approval or accession have been deposited, provided that at least one of those instruments has been deposited by a country party to the Madrid (Stockholm) Agreement and at least one other of those instruments has been deposited by a State not party to the Madrid (Stockholm) Agreement or by any of the organizations referred to in paragraph l)b).
b) With respect to any other State or organization referred to in paragraph 1, this Protocol shall enter into force three months after the date on which its ratification, acceptance, approval or accession has been notified by the Director General.

5. Any State or organization referred to in paragraph 1) may, when depositing its instrument of ratification, acceptance or approval of, or accession to, this Protocol, declare that the protection resulting from any international registration effected under this Protocol before the date of entry into force of this Protocol with respect to it cannot be extended to it.