Can you fill in the details?. Volunteer visa? If your visa is done within 'the system' historically that has been unlikely, unheard of even.. If it is done by a low level person freelancing on their own behalf, that is the risk. It will be interesting to see how the Region 4 and 5 visas issued by Immigration, that Big Chok is in the process of going after, pan out for the holders of them.