State guide · Maine

Maine Power of Attorney Requirements

Maine’s Uniform Power of Attorney Act (18-C M.R.S. §§ 5-901 to 5-963) sets how a Power of Attorney is signed, when it continues through incapacity, and what an agent must do. Here are the essentials in plain English, each linked to the official Maine Revised Statutes.

Based on Maine Uniform Power of Attorney Act, 18-C M.R.S. §§ 5-901 to 5-963. Reviewed October 2026. Education, not legal advice — Maine’s requirements are set by state law and can change, so confirm them with an official Maine source or a licensed attorney.

Preparing to serve—or already serving—in Maine?

The National Handbook explains the responsibilities. The National Workbook helps you organize the work. Use the Maine information below to explore requirements, official sources, and available resources.

Requirements depend on your documents and applicable law. Confirm current information with official sources or a qualified professional in your state.

The essentials

Where is Maine’s Power of Attorney law?

Maine’s financial Power of Attorney law is the Uniform Power of Attorney Act, 18-C M.R.S. §§ 5-901 to 5-963, which applies to Powers of Attorney created before, on or after September 1, 2019. Maine’s Act does not include a fill-in statutory Power of Attorney form; it includes an optional agent’s certification (§ 5-951).

18-C M.R.S. § 5-963 ↗18-C M.R.S. § 5-951 ↗

Does a Maine Power of Attorney have to be notarized?

Yes. Under 18-C M.R.S. § 5-905, a Power of Attorney under the Act is not valid unless it is acknowledged before a notary public or other individual authorized to take acknowledgments. Section 5-905 also requires a durable Power of Attorney to include the statutory notices to the principal and to the agent.

18-C M.R.S. § 5-905 ↗

Is a Maine Power of Attorney durable?

By default, yes. Under 18-C M.R.S. § 5-904, a Power of Attorney is durable unless it expressly provides that it is terminated by the incapacity of the principal.

18-C M.R.S. § 5-904 ↗

When does a Maine Power of Attorney take effect?

Under 18-C M.R.S. § 5-909, a Power of Attorney is effective when signed unless it says it becomes effective at a future date or on a future event, such as incapacity. The statute explains how incapacity is determined if the document does not name someone to decide.

18-C M.R.S. § 5-909 ↗

What does a Maine agent have to do?

Under 18-C M.R.S. § 5-914, unless the document says otherwise, the agent must keep a record of all receipts, disbursements and transactions made for the principal. The principal, a guardian, a conservator, a protective government agency and certain others can request disclosure, generally within 30 days.

18-C M.R.S. § 5-914 ↗

What happens to a spouse-agent’s authority in a divorce?

Under 18-C M.R.S. § 5-910, unless the Power of Attorney says otherwise, a spouse-agent’s authority ends when an action is filed for dissolution, annulment or legal separation.

18-C M.R.S. § 5-910 ↗

How is a Maine advance health care directive signed?

Healthcare decisions are covered by an advance health care directive under Maine’s Uniform Health Care Decisions Act (18-C M.R.S. Part 8). Under § 5-803, a power of attorney for health care must be in writing and signed by the principal and two witnesses. Unless related to the principal, an owner, operator or employee of a residential long-term care institution where the principal is receiving care may not serve as agent. An optional form is in § 5-805.

18-C M.R.S. § 5-803 ↗18-C M.R.S. § 5-805 (optional form) ↗

This summary is educational and may not reflect the most current law — verify against the current statutes or with a Maine attorney before relying on it.

True in every state

The universal rules of the role

The exact forms, witnessing, and notarization rules change from state to state — those are in Maine’s essentials above.But the heart of the role is the same everywhere in the U.S. Here’s what always applies.

Your duties as an agent

Act only in their best interest

Every decision is for the principal, never for you. This is the core legal duty of an agent, everywhere.

Keep money completely separate

Never mix the principal’s funds with your own. Use their accounts for their expenses, and don’t borrow or lend to yourself.

Keep clear records

Track every transaction, receipt, and major decision. Good records protect the principal — and protect you if anyone ever asks.

Stay inside the document

You can only do what the Power of Attorney actually authorizes. If it isn’t granted in the document, you don’t have the authority.

Honor their wishes & plan

Follow what they’d want, preserve their existing estate plan where you can, and avoid anything that benefits you at their expense.

What a Power of Attorney can’t do

It ends at death

A Power of Attorney works only while the principal is alive. The moment they pass, it ends and the will and executor (or trustee) take over.

It can’t change their will

An agent cannot make or rewrite the principal’s will, and generally can’t change beneficiary designations unless the document specifically allows it.

It’s not a blank check

Powers not written into the document — like making gifts or changing accounts — usually aren’t allowed. When in doubt, it’s probably not authorized.

It doesn’t make their debts yours

When you sign correctly as the agent (not personally), you’re acting for them — you don’t take on their debts by serving.

How to sign as an agent

Always sign in your representative capacity — never just your own name on the principal’s business. A safe format anywhere is “Jane Doe, as agent for John Doe” (some institutions prefer “John Doe by Jane Doe, agent”). Signing your name alone can make you personally liable; signing as the agent makes clear you’re acting for them.

When the authority ends

  • The principal revokes it — they can, at any time, as long as they’re competent.
  • The principal dies — authority passes to the will or trust.
  • A court appoints a guardian or conservator, or the document’s own end date or condition is reached.

One key distinction, everywhere: a durable Power of Attorney keeps working if the principal becomes incapacitated; a non-durable one ends at incapacity. Whether yours is durable is stated in the document itself.

Maine · official forms

Where to get the official forms

The official Maine Power of Attorney and health care directive forms are free from the state and its official resources. Here’s where to find them — we link them as a resource so you can go straight to the source. What we provide is the plain-language help to understand and actually use them, not the forms themselves.

  • 18-C M.R.S. § 5-905 — Execution of power of attorney; noticesOfficial source: Maine Legislature (Maine Revised Statutes)Maine's Uniform Power of Attorney Act (18-C, Art. 5, Part 9) prescribes required principal and agent notices but no full statutory POA form.Open on legislature.maine.gov →
  • 18-C M.R.S. § 5-805 — Optional form (Advance Health Care Directive)Official source: Maine Legislature (Maine Revised Statutes)Optional statutory Advance Health Care Directive form, with parts for a health care power of attorney, instructions, organ donation and primary physician.Open on legislature.maine.gov →

POA Caregiver™ is not a law firm and does not provide legal, medical, tax, or financial advice. These links are an educational resource pointing you to official sources; we are not affiliated with or endorsed by any government office. Power of Attorney and health care directive requirements vary by state and change over time. Before you sign or rely on any form, confirm it is the current, correct form for your situation with the official Maine source above or a licensed Maine attorney. If a link doesn’t open, search for the form by name on the official state website.

Maine · medical orders for serious illness

POLST: a different kind of document

  • POLST

    POLST Maine — National POLST (Maine state program)Source: National POLST Collaborative — Maine state program page (the Maine Hospice Council POLST page it listed was removed in 2026) (Statewide program)A POLST-type form is different from a general advance directive. It is generally intended for people with serious illness, advanced medical conditions or significant frailty, when current treatment wishes need to be written as medical orders — completed with a clinician. It is not a document every adult needs.Open on polst.org (opens in a new tab) →

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Maine · public offices & agencies

Where to go for official help

A simple starting list of the government offices an agent under a Power of Attorney (or their caregiver) in Maine may need. Click a website to open the office’s official page in a new tab.

POA Caregiver™ is not affiliated with, endorsed by, or partnered with any of these offices. This list is a resource to help guide you to the right official source — nothing more. Government offices, links, and phone numbers change over time, so if a link doesn’t open, search for the office by name to find its current official page.

Trusted official resources

Some of the best help is free and official. We point you to these authoritative sources — and give you the journey, organization, and plain-language navigation on top of them. See the full national resource library →

POA Caregiver™ is not a law firm and does not provide legal, medical, tax, or financial advice, and is not affiliated with or endorsed by these organizations. They are shared as free educational resources — always confirm details with the official source or a licensed professional in your state.

What may help next

Now that you know what Maine provides, let’s figure out what may help next. Tell us where you are right now.

Where are you right now?

POA Caregiver provides education, not legal, medical, financial or tax advice. Authority comes from the Power of Attorney document and applicable law, and serving as an agent is a different role from caregiving.

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