(1) Where an attachment of earnings order has been made to secure maintenance payments, no order or warrant of commitment shall be issued in consequence of any proceedings for the enforcement of the maintenance order begun before the making of the attachment of earnings order.
(2) Despite subsection (1) where an attachment of earnings order is made but the attached earnings fail to satisfy the entire maintenance payments the Court may upon satisfactory evidence that the debtor has the means—
(a) issue a warrant of commitment in respect of the non-payment of the sum not secured under the attachment of earnings order; or
(b) direct payment by instalment of the said sum.