Attachment of earnings
23. Subject to article 70, an authority may authorise a contractor to exercise the functions—
(a)of making an order under regulation 37 to secure the payment from a debtor of any outstanding sum which is or forms part of the amount in respect of which a liability order has been made;
(b)of serving a copy of an attachment of earnings order on a person who appears to have the debtor in his employment, and on the debtor;
(c)where the whole amount to which such an order relates has been paid, of giving notice of the fact to any person who appears to have the debtor in his employment and has been served with a copy of the order; and
(d)of discharging an attachment of earnings order, and giving notice of the discharge to any person who appears to have the debtor in his employment and has been served with a copy of the order.