73.5. Where a debtor fails to repay his debt or any part thereof, the director general or a member of his personnel designated by him for such purpose may, on expiry of the time allotted for applying for a review or, if a review is conducted, from the date of the decision of the review committee confirming the director general’s decision in whole or in part, issue a certificate attesting that the debt is payable and specifying the amount owed. In the absence of any evidence to the contrary, the certificate shall be proof that the debt is of the amount specified and is payable.