433 



(h) Every aVnendment adopted by such a conference by a two- 

 thirds majority vote of the Contracting Governments represented 

 sliall be cornmunicated hy the Bureau to all Contracting Governments 

 for their acceptance. 



(4) Any amendment communicated to Contracting Governments 

 for their acceptance under paragraph (3) of this Article shall come 

 into force for all Contracting Governments, except those which 

 before it comes into force make a declaration that they do not accept 

 the amendment, twelve months after the date on which the amend- 

 ment is accepted by two-thirds of the Contracting Govemments. 



(5) Any declaration under this Article sliall be made by a notifica- 

 tion in writing to the Bureau which shall notify all Contracting Gov- 

 ernments of the receipt of the declaration. 



(6) The Bureau shall inform all signatory and Contracting Gov- 

 ernments of any amendments which come into force under this 

 Article, together with tlie date on which such amendments shall come 

 into force. 



Article XVII 



( 1 ) The present Convention may l)e denounced by any Contracting 

 Government at any time after the expiration of a period of five years 

 from the date on which the Convention comes into force for that 

 Government. 



(2) Denunciation shall be effected by a notification in writing ad- 

 dressed to the Bureau, which shall notify all the Contracting Gov- 

 ernments of any denunciation received and of the date of its receipt. 



(;>) A denunciation shall take effect twelve months, or such longer 

 period as may be specified in the notification, after its receipt })y the 

 Bureau. 



Article XVIII 

 ( 



(1) — (a) Any Government may, at the time of signature or ac- 

 ceptance of the present (convention, or at any time thereafter, declare 

 l)y nofiHralion in writing given to the l>ureau that the Convention 

 sliall extend to any of the territories foi- whose international relations 

 it is I'esponsible. 



(h) The C'onvention shall, from the date of the receipt of the noti- 

 fication, or from such other date as may be specified in the notifica- 

 tion, extend to the territories named therein. 



(2) — (a) Any Contracting Govermnent which has made a declara- 

 tion under ])aragraph (1) of this Article may, at any time after the 

 expiration of a pei'iod of five years from the date on whicli the Con- 

 vention has been so extended to any territory, give notification in 

 writing to the Bureau, declaring that the C/onvention shall cease to 

 extend to any such territory named in the notification. 



(h) The Convention shall cease to extend to any territory men- 

 tioned in such notification twelve months, or such longer period as 



