Durable, springing, medical, limited — pick the right POA and know what it costs
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Recommended Document(s)
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Typical Cost
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Key Caution
POA type
Powers
Activates
Ends
Durable financial
Money, property, taxes, benefits
At signing (or as written)
Death or revocation — survives incapacity
Springing
Same, but dormant
Only on certified incapacity
Death/revocation; activation friction is its flaw
Medical (healthcare proxy)
Treatment decisions
When you can't decide
Death/revocation
Limited/special
One task, one window
As written
Task done or date passed
A power of attorney is the cheapest disaster insurance in the legal system: a $0–600 document that decides whether your family manages a crisis in an afternoon or in conservatorship court over months. The choices are few — durable vs springing (works now vs activates on incapacity), financial vs medical (two separate documents everywhere), and general vs limited (everything vs one task). This guide picks the right combination for your situation and carries the operational rules that make banks actually honor the paper.
The Decision in Three Questions
Financial, medical, or both? They're separate documents with separate agents possible — the money-savvy sibling and the medically-calm one need not be the same person. Nearly every adult needs both; the "both" package is the default answer.
Immediate (durable) or springing? Durable works from signing and survives incapacity — maximum utility, requires real trust. Springing waits for certified incapacity — feels safer, but the activation step (physicians certifying, sometimes two) arrives exactly when time is short, and banks add friction. Most attorneys steer trusted-agent situations to durable.
One task? A limited POA with a written expiry handles the real-estate closing you can't attend, the deployed spouse's affairs, the aging parent's single account — free bank forms often suffice.
The Aging-Parent Clock
The most common POA emergency: a parent sliding toward dementia without documents. The law's hard edge is that signing requires current capacity — early-stage cognitive decline with lucid understanding usually still qualifies (get the doctor's contemporaneous note), but waiting past capacity forecloses everything except guardianship court: months of proceedings, $3,000–10,000+, a public record, and a judge choosing the decider. The visit-this-month conversation is uncomfortable for twenty minutes and load-bearing for a decade. Pair it with the estate-plan basics in the same sitting.
Making Banks Honor It
Use the statutory form where your state publishes one — tellers recognize it; bespoke documents trigger legal-department reviews.
Register it with the institutions now: many banks want their own POA form on file too; doing both beats arguing later.
Refresh every 3–5 years: institutions distrust stale POAs regardless of legal validity.
One agent + successors, never co-agents requiring joint action — that's a deadlock generator.
How to Use the Guide
Answer the three dropdowns; read the document set, cost and caution.
Download your state's statutory forms or book the attorney (bundling POAs with a will/trust package is the usual discount).
Notarize, distribute copies, calendar the refresh — the document in a drawer nobody knows about is half a document.
Frequently Asked Questions
What's the difference between a POA and guardianship?
A POA is you choosing your decider in advance, privately, for ~$200. Guardianship is a court choosing one after it's too late — months, five figures, public, and annually supervised. Every guardianship proceeding is a POA that didn't get signed in time.
Can my agent do whatever they want with my money?
Agents owe fiduciary duties — your benefit only, records kept, no self-dealing (gifts to themselves need explicit authorization in the document). Abuse is prosecutable, but prevention beats prosecution: pick character over convenience, require account transparency to a second person, and scope powers to what's needed.
Does a POA work after death?
No — it dies with you, instantly. Post-death authority belongs to the executor under the will (or the trustee). The POA-executor gap trips up families weekly: the agent who could pay bills Friday cannot on Monday; the executor needs probate letters first.
Will another state honor my POA?
Generally yes under comity and uniform acts, but institutions add friction to out-of-state forms. If you move, redo the documents in the new state — it's an hour and it removes every argument.
My bank refuses to honor a valid POA — what now?
Escalate past the teller to the branch manager and the bank's legal/POA department; many states penalize unreasonable refusal of statutory-form POAs. Prevention: register the POA with the bank in advance and refresh it — refusals cluster around stale, bespoke documents.
Can I revoke a POA?
Anytime while competent: written revocation, notify the agent AND every institution holding a copy, destroy old originals. Revocation without notification is the failure mode — the world honors the paper it has.
Is my information private?
Yes — this chooser runs locally in your browser; nothing is transmitted.
Durable for the trusted, springing for the cautious, limited for the task, and medical for everyone — signed while signing is still possible. The POA is twenty minutes of paperwork standing between your family and a courtroom; sign it this season.