"power of attorney
An instrument granting someone authority to act as agent or attorney-in-fact for the grantor. • An ordinary power of attorney
is revocable and automatically terminates upon the death or incapacity of the principal. — Also termed letter of attorney
; warrant of attorney.
See attorney (1)
The authority so granted; specif., the legal ability to produce a change in legal relations by doing whatever acts are authorized. — Abbr. POA. Pl. powers of attorney."
POWER OF ATTORNEY, Black's Law Dictionary (11th ed. 2019)
In New York, General Obligations Law (GOL) , Art 5, Title 15. Statutory Short Form and Other Powers of Attorney for Financial and Estate Planning defines when a power of attorney is effective and what powers are excluded. The title includes sample forms.