188 



2. This Convention shall enter into force upon the deposit of instru- 

 ments of ratification by four signatory Governments, [^] and shall 

 enter into force with respect to each Government which subsequently 

 ratifies on the date of the deposit of its instrument of ratification. 



3. Any Government which has not signed this Convention may ad- 

 here thereto by a notification in writing to the Depositary Govern- 

 ment. Adherences received by the Depositary Government prior to 

 the date of entry into force of this Convention shall become effective 

 on the date this Convention enters into force. Adherences received 

 by the Depositary Government after the date of entry into force of 

 this Convention shall become effective on the date of receipt by the 

 Depositary Government. 



4. The Depositary Government shall inform all signatory Govern- 

 ments and all adhering Governments of all ratifications deposited and 

 adherences received. 



5. The Depositary Government shall inform all Governments con- 

 cerned of the date this Convention enters into force. 



Article XVI 



1. At any time after the expiration of ten years from the date of 

 entry into force of this Convention, any Contracting Government may 

 withdraw from the Convention on December thirty-first of any year 

 by giving notice on or before the preceding June thirtieth to the De- 

 pository Government which shall communicate copies of such notice 

 to the other Contracting Governments. 



2. Any other Contracting Government may thereupon withdraw 

 from this Convention on the same December thirty-first by giving 

 notice to the Depositary Government within one month of the receipt 

 of a copy of a notice of withdrawal given pursuant to paragraph 1 

 of this Article. 



Article XVII 



1. The original of this Convention shall be deposited with the Gov- 

 ernment of the United States of America, which Government shall 

 communicate certified copies thereof to all the signatory Governments 

 and all the adhering Governments. 



2. The Depositary Government shall register this Convention with 

 the Secretariat of the United Nations. 



3. This Convention shall bear the date on which it is opened for 

 signature and shall remain open for signature for a period of four- 

 teen days thereafter. 



In witness whereof the undersigned, having deposited their re- 

 spective full powers, have signed this Convention. 



Done in Washington this eighth day of February 1949 in the Eng- 

 lish language. 



ANNEX 



1. The sub-areas provided for by Article I of this Convention shall 

 be as follows : 



Sub-area 1 — That portion of the Convention area which lies to the 

 north and east of a rhumb line from a point in 75°00' north latitude 



1 July 3, 1950. 



