Increases in certain pensions
3.—(1) The pension authority may, if any of the conditions in paragraph (2) are fulfilled, increase the annual rate of an official pension in respect of any period on or after 9th April 2007 as follows—
(a)a pension beginning before 10th April 2006 may be increased by 3.6 per cent of the basic rate (as increased by the amount of any increase under section 1 of the Act of 1971 or the existing Orders);
(b)a pension beginning on or after 10th April 2006 and before 9th April 2007 may be increased by 3.6 per cent multiplied by—
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where
A is the number of complete months in the period between the beginning date of the pension and 9th April 2007; and
B is 12.
(2) Those conditions are—
(a)a qualifying condition is satisfied;
(b)the official pension is—
(i)a derivative pension;
(ii)a substituted pension; or
(iii)a relevant injury pension.