eRx is Australia’s first and largest nation-wide Prescription Exchange ServiceElectronic Transfer of Prescriptions (ETP) consists of the safe and secure transmission of prescription and dispensing data between authorised doctors and the pharmacists. ETP contributes to an improved use of medicines and a reduction of the number of adverse medication events.

eRx is already installed in every major medical software program in Australia.
You simply need to activate it. 

eRx works in 4 simple steps-
How to use eRx_image