Paragraph 6A F1

If at any time after the United States Ambassador has become entitled to occupy use and enjoy the Chevening Estate under the provisions of Clause 6 hereof either (a) during a continuous period of twelve calendar months (such period beginning at a date after the United States Ambassador has become entitled as aforesaid) no United States Ambassador has occupied Chevening House or (b) the United States Ambassador notifies the F2Boardin writing that the Government of the United States of America desires to determine the trusts herein declared in favour of the United States Ambassador then and in any such event the trusts declared by Clause 6 hereof in favour of the United States Ambassador shall absolutely determine and the Chevening Estate and the Contents F3shall be held upon trust to permit the Nominated Person to occupy use and enjoy the same as a furnished country residence and estate for such period or periods continuous or discontinuous as the Nominated Person may think fit.