61(1)Where a surety for a personal representative desires to be discharged from his obligation or where a personal representative desires to substitute other security for that furnished by him, the Court may allow other security to be furnished in lieu of such surety or of the security so furnished on such terms as it considers proper, and the Court may direct that, upon the substituted security being furnished, and if it so directs upon the accounts of the personal representative being passed, the surety or sureties be discharged.