First time poster on HotCopper. Have a question I hope someone...

First time poster on HotCopper. Have a question I hope someone with a bit more experience than I can answer.
I am a Tawana holder, purchased over a year ago when trading under 20 cents. I trade on the ASX using ASB Securities. If and when this merger goes ahead and we acquire AMAL shares to replace our TAW shares I understand they will be in the form of CHESS CDI's? Is there anything that I would have to do personally in the process (e.g some sort of registration) or will it all happen automatically? Also, would I be able to trade these new shares on the same site such as ASB securities?
Any advise appreciated.