2.—(1) Any Order in Council specified in the Schedule to this Order shall, for the purposes of section 143 of the Social Security Act 1975, have effect subject to the further modifications contained in the following provisions of this Order.
(2) Any such Order in Council shall have effect as if the agreement proposed by Her Majesty's Government for modifying the agreement set out in the Schedule to such Order, so as to take account of changes in the legislation of the United Kingdom without otherwise altering the effect of such agreement, had been entered into.
(3) Where in any agreements set out in the Schedule to any such Order in Council there are provisions relating to the calculation of widow's allowance under the legislation of the United Kingdom such provisions shall be taken to include, subject to such modifications as may be required, a reference to a widow's payment under the legislation of the United Kingdom.