Does Power of Attorney Need to Be Notarized in Maine?

The short answer: yes for financial POAs, no (but recommended) for healthcare directives. Maine treats these two documents differently, and confusing their execution requirements is one of the most common mistakes families make.

Financial Power of Attorney: Notarization Required

Under 18-C M.R.S. § 5-905, a financial power of attorney in Maine must be acknowledged before a notary public or another officer authorized to take acknowledgments. This isn't optional — an unnotarized financial POA has no legal effect in Maine.

The requirements are precise:

• Notary acknowledgment — The principal signs the document in the presence of a notary, who verifies identity and stamps the acknowledgment
• No witness requirement — Unlike healthcare directives, a financial POA does not need witnesses
• Principal's name printed below signature — Required by Registry of Deeds standards if the document will be recorded for real estate purposes

The notarization serves two purposes: it creates a legal presumption that the principal's signature is genuine, and it satisfies the recording requirements if the POA needs to be filed at a county Registry of Deeds for real estate transactions.

Healthcare Directive: Two Witnesses, No Notary

Maine's Advance Health Care Directive (which combines the healthcare power of attorney and living will) has the opposite execution rule. Under 18-C M.R.S. § 5-803:

• Two competent adult witnesses required — Both must be present when the principal signs
• Notarization is not required — But it's strongly recommended if the principal travels out of state, since other jurisdictions may not recognize an unnotarized directive
• Electronic signatures banned — Maine explicitly requires in-person, handwritten signatures for healthcare directives, even though electronic signatures are valid for many other legal documents
• Witness restrictions — The designated healthcare agent cannot serve as a witness. Witnesses should not be related to the principal by blood, marriage, or adoption, and should not be entitled to any portion of the principal's estate

Why the Rules Differ

The distinction reflects the different risks each document addresses. A financial POA grants authority over property and money — notarization creates a verifiable chain of custody that banks and registries can rely on. A healthcare directive governs medical decisions during a crisis, where having two independent witnesses who saw the principal sign provides a different kind of protection against coercion or forgery.

What Happens If You Get It Wrong

• Financial POA without notarization — The document is legally invalid. Banks, investment firms, and registries of deeds will reject it. Your agent has no authority
• Healthcare directive without witnesses — The document is legally invalid. Hospitals and physicians cannot honor it, and your agent cannot make medical decisions on your behalf
• Healthcare directive without notarization — The document is still valid in Maine, but may face challenges if you're receiving treatment out of state

Practical Tips

Find a notary: Banks, UPS stores, town offices, and many attorneys offer notary services. Maine notary fees are typically under $10 per signature. Some mobile notaries will come to your home or hospital room.

Witness selection: Choose witnesses who are not family members, not named in your will, and not your healthcare agent. Neighbors, colleagues, or family friends work well.

Do both at once: Execute both your financial POA (with notary) and your healthcare directive (with two witnesses) in the same sitting. Bring your witnesses and visit a location with a notary to handle everything at once.

The Maine Power of Attorney Kit includes both documents with the correct execution instructions, statutory notices, and a step-by-step signing guide so you don't miss any requirements.

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