Section 247 of the Principal Act is amended by inserting the following subsection after subsection (11):

"(12) Where a person is in receipt of an invalidity pension under this Act by virtue of the application of Articles 38 and 39 of Regulation (EEC) No. 1408/71 of the Council of the European Communities and subsequently becomes entitled to a survivor’s pension or old age pension from another Member State under Chapter 3 of that Regulation, the person’s entitlement to invalidity pension under this Act shall, notwithstanding anything contained in that Regulation, be reduced only within the limit of the amount of that survivor’s pension or old age pension.".