The Appointment of Enduring Guardians document - is the document which the principal signs to say they are granting the power to make healthcare and lifestyle decisions to someone else and specifying the conditions and limitations on which the powers are to be used.
The Principal - is the person who is giving someone else (the Guardian) the power to make their healthcare and lifestyle decisions.
The Guardian - is the person who is receiving the power to make the health care and lifestyle decisions on behalf of the principal.
The Solicitor’s Certificates - are the parts of the enduring guardianship document that must be signed by the witnessing solicitors confirming that they explained to the principal and the guardians the effect of the document.
The Acceptances - are the parts of the enduring guardianship document where the guardians sign to acknowledge that that they will make the health care and lifestyle decisions for the principal if the principal loses the ability to manage their own affairs.
Conditions and limitations - are specified in the enduring guardianship document stating such things as specific decisions you want made in certain circumstances, how many guardians are required to make decisions, etc.
You will want to make an appointment of enduring guardians so that if you are unable to manage your own affairs then they can:-
decide where you live and the type of accommodation you will have;
decide what healthcare you are to receive;
consent to medical and dental treatment on your behalf;
decide what personal services you receive.
http://planningaheadtools.com.au/appoint-an-enduring-guardian/
http://www.austlii.edu.au/au/legis/nsw/consol_act/ga1987136/