This Order makes provision for modification of the Social Security Act 1975 and that part of the Child Benefit Act 1975 which relates to child benefit so as to give effect to the Convention on Social Security (set out in the Schedule) made between the Governments of the United Kingdom and Portugal. The Agreement relates to reciprocity in contributions, short-term benefits, invalidity benefit, retirement pensions, widow's benefit, industrial injuries benefits, death grant, guardian's allowance, and child benefit.