(a) Entitlement to pension which is due to be determined by reference to the insurance record of a person who attained the age of 69 years before 5 January 1976 may be determined under the provisions of the Acts relating to social welfare in operation before 1 July 1974 where this would be to the advantage of the widow or surviving civil partner.
(b) A widow who, under the provisions of the Acts relating to social welfare in operation before 1 July 1974, has been awarded a pension on the basis of her own or her spouse's insurance record at the date on which she or her spouse attained the then pensionable age shall on and after 1 July 1974 have a right to that pension at the rate for the time being payable by reference to a yearly average equal to the yearly average calculated in her case under those provisions.
(a) Entitlement to pension which is due to be determined by reference to the insurance record of a person who attained the age of 68 years before 3 January 1977, may be
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