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on the notification by the Depositary Government of such receipt, in 

 which case the amendment shall not take effect for any Contracting 

 Government. Any Contracting Government which has objected to an 

 amendment may at any time withdraw that objection. If all objec- 

 tions to an amendment are withdrawn, the amendment shall take effect 

 for all Contracting Governments one hundred and twenty days follow- 

 ing the date on the notification by the Depositary Government of 

 receipt of the last withdrawal. 



"4. Any Government which becomes a party to the Convention 

 after an amendment has been adopted in accordance with paragraph 2 

 of this Article shall be deemed to have approved the said amendment. 



"5. The Depositary Government shall promptly notify all Contract- 

 ing Governments of the receipt of notifications of approval of amend- 

 ments, the receipt of notifications of objection or withdrawal of 

 objections, and the entry into force of amendments." 



Article II 



1. This Protocol shall be open for signature and ratification or 

 approval or for adherence on behalf of any Government party to the 

 Convention. 



2. This Protocol shall enter into force on the date on which instru- 

 ments of ratification or approval have been deposited with, or written 

 notices of adherence have been received by, the Government, of the 

 United States of America, on behalf of all Governments parties to the 

 Convention. 



3. Any Government which becomes a party to the Convention 

 after this Protocol has been opened for signature shall at the same time 

 adhere to this Protocol. 



4. The Government of the United States of America shall inform 

 all Governments signatory or adhering to the Convention of all ratifi- 

 cations and approvals deposited and adherences received and of the 

 date this Protocol enters into force. 



5. Any Protocol amending the Convention which has been signed 

 but which has not entered into force at the date of entry into force 

 of the present Protocol shall thereafter enter into force in accordance 

 with the provisions of the present Protocol ; provided, however, that, 

 if instruments of ratification or approval or notices of adherence with 

 respect to such Protocol have been received by the Depositary Govern- 

 ment from three-fourths of all Contracting Governments at the time 

 of entry into force of the present Protocol, the date on which the ninety, 

 and one hundred and twenty, day periods specified in the first sentence 

 of paragraph 3 of Article XVII shall commence with regard to such 

 amendment shall be the date of entry into force of the present Protocol. 



Article III 



1. The original of this Protocol shall be deposited with the Govern- 

 ment of the United States of America, which Government shall com- 

 municate certified copies thereof to all the Governments signatory or 

 adhering to the Convention. 



2. This Protocol shall bear the date on which it is opened for signa- 

 ture and shall remain open for signature for a period of fourteen days 

 thereafter, following which period it shall be open for adherence. 



