4.—(1) An instalment order made after the passing of this Act shall continue in force until the expiration of six years from the date thereof and no longer.
(2) No instalment which accrues due under an instalment order after such order ceases to be in force shall be payable or recoverable.
(3) Nothing in this section shall be construed as requiring that an instalment order shall provide for payment of the whole of the debt and costs within the period during which such order continues in force.
