(1) If, after hearing the applicant in cases where the applicant so desires or the Controller thinks fit, the Controller is satisfied that the failure to pay the fee for extension of the period of copyright was unintentional and that there has been no undue delay in the making of the application, the Controller shall upon payment of any unpaid fee for extension of the period of copyright together with prescribed additional fee restore the registration of design.
     (2) The Controller may, if he thinks fit as a condition of restoring the design, require that any entry shall be made in the register of any document or matter which under the provisions of this Act, has to be entered in the register but which has not been so entered.