(1)This section has effect where but for section 27(6) of the principal Act (prevention of double entitlement) a person would be entitled both—
(a)to a Category A retirement pension; and
(b)to a Category B retirement pension under section 8 above or a Category B retirement pension under section 29 of the principal Act by virtue of the contributions of a husband who has died.
(2)If by reason of a deficiency of contributions the basic component in the Category A retirement pension falls Short of the sum specified in section 6(1)(a) above, that component shall be increased by the amount of the shortfall or the amount of the basic component in the rate of the Category B retirement pension, whichever is the less.
(3)If the additional component in the Category A retirement pension falls short of the prescribed maximum, that component shall be increased by the amount of the shortfall or the amount of the additional component in the rate of the Category B retirement pension, whichever is the less.