The chief executive officer of the hospital in which the diagnosis of a developmental anomaly is made and/or the doctor making the diagnosis or caring for the patient diagnosed are responsible by law for the notification, as a result of the Health (Western Australian Register of Developmental Anomalies) Regulations 2010 Notification is required within six months of the diagnosis. Register staff gather further details from medical records and/or doctors if required. Voluntary notification is also accepted from other sources.