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 11th April 1994 as follows—
(1)
a pension beginning before 12th April 1993 may be increased by 1.8 per cent of the basic rateas 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 12th April 1993 and before 11th April 1994 may be increased by 1.8 per cent multiplied by
where—
aA is the number of complete months in the period between the beginning date of the pension and 11th April 1994, and
B is 12.