10. The electoral rolls may be amended and corrected in the prescribed manner, as and when necessary, so as-(a) to correct any entry or supply any omission therein; or(b) to include the name of any qualified person whose name does not appear on such roll or who has since its preparation or its last revision become qualified to be enrolled on such roll; or(c) to delete therefrom the name of the person who has died, or who is or has become disqualified for enrolment on such roll.