The Social Security (United States of America) Order 1984
This Order makes provision for the modification of the Social Security Act 1975 so as to give effect to the Agreement on social security (which is set out in Schedule 1 to the Order) made between the Government of the United Kingdom of Great Britain and Northern Ireland and the Government of the United States of America. The Agreement prevents dual liability for social security contributions and relates to reciprocity for purposes of invalidity benefit, old age pension, widow's benefit and orphan's benefit.