16. Powers of attorney.

16.     Powers of attorney.

Where the authority of the agent is required to be conferred by a deed1, or where in any other circumstances it is desired formally to appoint an agent to act for the principal in one transaction or a series of transactions or to manage the affairs of the principal generally, the necessary authority is conferred by an instrument known as a power of attorney2. Such powers are the subject of statutory provision, which specifies the method of execution3, the proof of instruments creating such powers4, the revocability