SGMS Key2Life Medi chip assits Transport operators comply with fatigue management requirements
"Health The operator must put a driver health management system in place to help drivers manage their health. As part of this, drivers must be certified by a doctor as being fit to drive a heavy vehicle and their required duties. The driver medical assessment must include an assessment for sleep disorders, and must be conducted every three years (annually for drivers over 50)." Click on the link to the NTC website for more details
http://www.ntc.gov.au/ViewPage.aspx?documentid=01500