For the purpose of applying Article 19 no account shall be taken of the following benefits payable under the legislation of Great Britain, Northern Ireland or the Isle of Man:
- a)any additional pension payable;
- b)any graduated retirement benefit payable by virtue of any graduated contributions paid before 6 April 1975;
- c)any invalidity allowance or incapacity age addition payable;
but any such benefit shall be added to the amount of any benefit payable under that legislation in accordance with Article 19(2).
