There are a number of common circumstances in which the grant of Letters of Administration may be revoked: where the will has been discovered after a grant of Letters of Administration (Re Estate of Wilson (1991) 24 NSWLR 334); and, where it appears to the Court that the Letters of Administration ought not have been granted or that the grant contains an error, if the Court is satisfied that the grant would be revoked at the instance of a party interested: Alan Yazbek v Ghosn Yazbek & Anor [2012] NSWSC 594 Slattery J at 145.