(1) When the last instalment on a bond becomes due for payment of the bond is notified for redemption [or becomes due for re-payment,] it shall be presented at the office at which the instalment on the bond is payable or at the Public Debt Office and signed by the holder on its reverse.
(2) If the Public Debt Office is of the opinion that a doubt exists relating to the title to a bond, it may require the claimant to execute a security bond in Form C with one or more sureties approved by the Public Debt Office, or to furnish security not exceeding twice the amount of instalments involved to the held at the disposal of the Bank, to pay to the Bank or to any person to whom the Bank may assign the security bond or security the amount thereof.
[15A. Disposal of Bonds which have been repaid, renewed, etc.-A Compensation Bond in respect of which a duplicate bond or a new bond has been issued or all the instalments due have been paid may be perforated, punched, cut or otherwise disposed of by the Bank in such manner as the Bank may consider necessary to ensure that the original bond is not misused.]