The sums specified in paragraph (2) below shall be increased from and including the respective dates specified in article 6 below.

Sums which are payable by virtue of section 15(1) of the Pension Schemes Act (which provides for increases in a person’s guaranteed minimum pension if payment of his occupational pension is postponed after he attains pensionable age) to a person who is also entitled to a Category A or Category B retirement pension (including sums payable by virtue of section 17(2) and (3)), shall be increased by 2.2 per cent. of their amount apart from this Order where the increase under section 15(1) is attributable to earnings factors for the tax year 1987/88 and earlier tax years18.