60 STAT.] UNITED KINGDOIM-DOUBLE TAXATION-APR . 16 , 1945 respective taxation laws of the Contracting Parties) as is necessary for carrying out the provisions of the present Convention or for the prevention of fraud or the administration of statutory provisions against legal avoidance in relation to the taxes which are the subject of the present Convention. Any information so exchanged shall be treated as secret and shall not be disclosed to any person other than those concerned with the assessment and collection of the taxes which are the subject of the present Convention. No information shall be exchanged which would disclose any trade secret or trade process. (2) As used in this Article, the term "taxation authorities" means, in the case of the United States, the Commissioner of Internal Rev- enue or his authorized representative; in the case of Great Britain, the Commissioners of Inland Revenue or their authorized representative; and, in the case of any territory to which the present Convention is extended under Article VIII, the competent authority for the adminis- tration in such territory of the taxes to which the present Convention applies. ARTICLE VIII (1) Either of the Contracting Parties may, on the coming into force of the present Convention or at any time thereafter while it continues in force, by a written notification of extension given to the other Contracting Party through diplomatic channels, declare its desire that the operation of the present Convention shall extend to all or any of its colonies, overseas territories, protectorates, or territories in respect of which it exercises a mandate, which impose taxes sub- stantially similar in character to those which are the subject of the present Convention. The present Convention shall apply to the territory or territories named in such notification as to the estates of persons dying on or after the date or dates specified in the notification (not being less than sixty days from the date of the notification) or, if no date is specified in respect of any such territory, on or after the sixtieth day after the date of such notification, unless, prior to the date on which the Convention would otherwise become applicable to a particular territory, the Contracting Party to whom notification is given shall have informed the other Contracting Party in writing through diplomatic channels that it does not accept such notification as to that territory. In the absence of such extension, the present Convention shall not apply to any such territory. (2) At any time after the expiration of one year from the entry into force of an extension under paragraph (1) of this Article, either of the Contracting Parties may, by written notice of termination given to the other Contracting Party through diplomatic channels, terminate the application of the present Convention to any territory to which it has been extended under paragraph (1), and in such event the present Convention shall cease to apply, as to the estates of persons dying on or after the date or dates (not being earlier than the sixtieth day after the date of such notice) specified in such notice, or, if no date is specified, on or after the sixtieth day after the date of such notice, to the territory or territories named therein, but without affecting its 1395 " Taxation authori- ties." Extension to terri- tories, etc.
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