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MA · POA · Updated July 2026 · Free

Massachusetts Power of Attorney

Not Attorney-ReviewedAuthor: Arjun AnnamalaiMethodology: Statutory Verification

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Massachusetts at a glance: Governing Law: Mass. Gen. Laws ch. 190B, § 5-501 et seq. (UPOAA) · Notarization: Required · Witnesses: Not statutorily required

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Overview

Powers of Attorney in Massachusetts

Massachusetts has adopted the Uniform Power of Attorney Act, incorporated into the Massachusetts Uniform Probate Code. A financial POA must be notarized to be valid and is durable by default. A separate health care proxy is required for medical decisions in Massachusetts.
Key Facts

Massachusetts Power of Attorney — Quick Reference

RequirementMassachusetts Rule
Governing LawMass. Gen. Laws ch. 190B, § 5-501 et seq. (UPOAA)
NotarizationRequired
WitnessesNot statutorily required
Default DurabilityDurable by default
Medical DecisionsSeparate health care proxy required
Legal Requirements

Massachusetts Legal Requirements

  • Must be signed by the principal and acknowledged before a notary public.
  • Durable by default under Massachusetts's Uniform Power of Attorney Act.
  • Agent has fiduciary duties to act in the principal's best interest.
  • A separate health care proxy is needed for medical decisions.
Governing Laws

Massachusetts Governing Laws

Mass. Gen. Laws ch. 190B, § 5-501 et seq.
Uniform Power of Attorney Act
Governs the creation, effect, and termination of powers of attorney in Massachusetts.

Read the full text of these laws at Cornell Law School's Massachusetts legal resources or your state legislature's official website.

Questions & Answers

Massachusetts Power of Attorney — Frequently Asked Questions

Does a Massachusetts POA need to be notarized?

Yes. Massachusetts requires a financial POA to be acknowledged before a notary public.

Is a Massachusetts POA durable by default?

Yes, under Massachusetts's Uniform Power of Attorney Act.

Does a Massachusetts POA cover healthcare decisions?

No. A separate health care proxy is required for medical decisions.