56.—(1) The prescribed amount of earnings for the purposes of Article 4(1)(c) of the Order (the contribution-based conditions) shall be calculated by applying the formula—
where—
A is the age-related amount applicable to the claimant in accordance with Article 6(2) of the Order, and
D is any amount disregarded from the claimant’s earnings in accordance with regulation 99(2) (calculation of net earnings of employed earners) or regulation 101(2) (calculation of net profit of self-employed earners) and Schedule 5.
(2) For the avoidance of doubt in calculating the amount of earnings in accordance with paragraph (1), only the claimant’s earnings shall be taken into account.