# Chevening Estate Act 1959, Paragraph 6


If at any time after the Nominated Person has become entitled to occupy use and enjoy the Chevening Estate under the provisions of Clause 5A hereof either—
(a) there shall have been no Nominated Person during a continuous period of six years (such period beginning at a date after the determination of the trusts declared by Clause 5 hereof) or
(b) during any continuous period of six years (such period beginning as aforesaid) no Nominated Person shall have occupied Chevening House or
(c) the Prime Minister and the Leader of the Opposition notify the Board in writing that they desire to determine the trusts declared by Clause 5A hereof
then and in any such event the trusts and provisions of Clause 5A hereof shall absolutely determine (but without prejudice to Clause 6A hereof) and the Chevening Estate and the Contents shall be held upon trust to permit the United States Ambassador to occupy use and enjoy the same as a furnished country residence and estate for such period or periods continuous or discontinuous as the United States Ambassador may think fit.

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Source: https://www.legislation.gov.uk/ukpga/Eliz2/7-8/49/schedule/paragraph/6 (the official version)
Page: https://openlegislation.uk/chevening-estate-act-1959/schedule/paragraph-6
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.