Article 3 Pension increases
The annual rate of an official pension may, if a qualifying condition is satisfied or the pension is a derivative or substituted pension or a relevant injury pension, be increased by the pension authority in respect of any period on or after 7th April 1997 as follows—
(1)
a pension beginning before 8th April 1996 may be increased by 2.1 per cent of the basic rate as increased by the amount of any increase under section 1 of the 1971 Act or the existing Orders;
(2) b
a pension beginning on or after 8th April 1996 and before 7th April 1997 may be increased by 2.1 per cent multiplied by
where
aA is the number of complete months in the period between the beginning date of the pension and 7th April 1997, and
B is 12.