42.—(1) Where an employer would, but for this paragraph, be obliged under regulation 37(3) to make deductions on any pay-day under two or more attachment of earnings orders made under this Part, he shall make deductions only with respect to the one which was made first until it ceases to be in force, and shall then deal with the other order or orders in like manner in the order in which they were made.
(2) Where an employer is or would, but for this paragraph, be obliged to comply at any time with an attachment of earnings order made under this Part and an order made under the Attachment of Earnings Act 1971 (“the 1971 Act”)(1) or the Child Support Act 1991 (“the 1991 Act”)(2)—
(a)if the order made under the 1971 Act or, as the case may be, the 1991 Act was made first, whilst it is in force he shall comply only with the order made under the 1971 Act or, as the case may be, the 1991 Act, or
(b)if the attachment of earnings order made under this Part was made first, whilst it is in force the attachable earnings for the purposes of Schedule 3 to the 1971 Act are to be treated as such of the attachable earnings mentioned in paragraph 3 of that Schedule(3) as remain after deduction of the amount to be deducted under the order made under this Part.
Paragraph 3 of Schedule 3 was amended by the Social Security (Consequential Provisions) Act 1975 (c. 18), Schedule 2, paragraph 43, the Social Security Pensions Act 1975 (c. 60), Schedule 5 and the Wages Act 1986 (c. 48), Schedule 4, paragraph 4.