You will need this registration to carry out a professional engineering service in Queensland or for Queensland (e.g. a design project carried out interstate or overseas for a Queensland based project).
A professional engineering service is an engineering service that requires or is based on the application of engineering principles and data to a design, or to a construction, production, operation, or maintenance activity.
There are two types of registration; practising and non-practising. To carry out professional engineering services a you must hold practising status.