Power of attorney is the legal authorization for an individual to act on another individual’s behalf in matters of business or the law. The authorized individual is the agent or attorney-in-fact and the authorizing individual is the principal or granter. Note that an attorney-in-fact need not be an attorney at law. Power of attorney is often granted in limited scope and for a finite period of time. If the power of attorney is granted without an expiration date it is sometimes referred to as a durable power of attorney.