The provisions of this section shall have effect with respect to the M1Chequers Estate Act 1917 (in this Act referred to as “the principal Act”) and to the deed of settlement set out in the Schedule to that Act (which deed, as modified by or under any subsequent enactment, is hereafter in this Act referred to as “the deed”).

As from the appointed day the deed shall have effect subject to the amendments specified in the Schedule to this Act; and any reference in the principal Act to the deed shall, in relation to any time on or after the appointed day, be construed as a reference to the deed as so amended.

In this Act “the appointed day” means such day as the Treasury may appoint by order made by statutory instrument.