31Calculation
(1)In section 45 of the [1992 c. 4.] Social Security Contributions and Benefits Act 1992 (calculation of additional pension in a Category A retirement pension), in subsection (2)—
(a)after “shall be” there shall be inserted “the sum of the following”;
(b)in paragraph (b), after “after 1987-88” there shall be inserted “but before the first appointed year”; and
(c)after that paragraph there shall be inserted “; and
(c)in relation to any tax years falling within subsection (3A) below, the weekly equivalent of the amount calculated in accordance with Schedule 4A to this Act.”
(2)In that section the following subsection shall be inserted after subsection (3)—
“(3A)The following tax years fall within this subsection—
(a)the first appointed year;
(b)subsequent tax years.”
(3)After Schedule 4 to that Act there shall be inserted the Schedule set out in Schedule 4 to this Act.