Each report must be made within 30 days of the incident occurring and the application for the review must be made within 6 months of the first report.
Mae'n rhaid gwneud pob adroddiad o fewn 30 diwrnod o'r digwyddiad ac mae'n rhaid gwneud y cais am yr adolygiad o fewn chwe mis i'r adroddiad cyntaf.