Paragraph 3
The weekly rate of earnings-related supplement of unemployment benefit, sickness benefit or a maternity allowance shall be whichever is the less of the following amounts—
an amount equal to the aggregate of—
l/3rd of so much of the reckonable weekly earnings as exceeds the relevant year's lower earnings limit and does not exceed £30, and
15 per cent. of so much of those earnings as exceeds £30 and does not exceed that year's upper earnings limit; or
the amount (if any) by which the weekly rate of the benefit in question (unemployment benefit, sickness benefit or maternity allowance, as the case may be), including any increase of that rate under section 41(1) or 44(1) or (2) of this Act, falls short of 85 per cent. of those earnings.
The weekly rate of earnings-related addition to a widow's allowance shall be the amount specified in sub-paragraph (1)(a) above.