7.—(1) This paragraph applies where the attachment of earnings order has been made—N.I.
(a)by the Office, or
(b)by a court otherwise than to secure payments under a maintenance order.
(2) The employer shall on any pay-day—
(a)if the attachable earnings exceed the protected earnings, deduct from the attachable earnings the amount of the excess or the normal deduction, whichever is the less;
(b)make no deduction if the attachable earnings are equal to, or less than, the protected earnings.
8.—(1) This paragraph applies where the attachment of earnings order has been made by the High Court to secure payments under a maintenance order.N.I.
(2) If on a pay-day the attachable earnings exceed the sum of—
(a)the protected earnings; and
(b)so much of any amount by which the attachable earnings on any previous pay-day fell short of the protected earnings as has not been made good by virtue of this sub-paragraph on another previous pay-day,
then, in so far as the excess allows, the employer shall deduct from the attachable earnings the amount specified in sub-paragraph (3).
(3) The said amount is the sum of—
(a)the normal deduction; and
(b)so much of the normal deduction on any previous pay-day as was not deducted on that day and has not been paid by virtue of this sub-paragraph on any other previous pay-day.
(4) No deduction shall be made on any pay-day when the attachable earnings are equal to, or less than, the protected earnings.