Yes. A durable power of attorney (POA) automatically terminates upon the death of the principal (the person who created it). "Durable" refers only to the fact that the authority continues even if the principal becomes mentally incapacitated — it does not extend the agent's authority beyond the principal's lifetime. Once the principal dies, the agent (also called an attorney-in-fact) immediately loses all legal authority to act on the principal's behalf, regardless of what the POA document says, because a POA is a creature of agency law, and agency relationships end when the principal dies.
After death, any actions the agent takes using the now-expired POA are generally invalid, and banks, hospitals, and other institutions are legally required to stop honoring it once they receive notice of the death. Financial institutions typically require official proof, such as a certified death certificate, before they will freeze accounts or deny an agent's requests.
Management of the deceased person's affairs then shifts to whoever has legal authority over the estate — typically:
- An executor or personal representative named in the deceased's will, once appointed by a probate court, or
- An administrator appointed by the court if there is no will (intestate succession).
This is why estate planning attorneys often recommend having both a durable POA (for incapacity during life) and a properly executed will or trust (to govern what happens after death), since the two documents serve distinct purposes and neither substitutes for the other.
One nuance: some states allow a "springing" or health care power of attorney to include limited authority for the agent to handle specific post-death tasks like funeral arrangements or organ donation decisions, but this is a narrow exception and not general financial or legal authority. Because POA and probate rules vary by state or country, anyone dealing with a recent death should consult a local estate attorney to confirm exact obligations and next steps.