Hawaii: Power of Attorney Requirements

The short answer

Hawaii adopted the Uniform Power of Attorney Act effective January 1, 2015,
codified as Haw. Rev. Stat. chapter 551E, replacing the older Hawaii Uniform
Durable Power of Attorney Act. Under § 551E-3(b), a financial power of
attorney (POA) "shall be signed by the principal or in the principal's
conscious presence by another individual directed by the principal to sign
the principal's name." Notarizing that signature is not required for basic
validity, but it matters in practice: an acknowledged signature "is presumed
to be genuine" (§ 551E-3(b)), and any POA used to transfer real estate must
be recorded with the state Bureau of Conveyances (§ 502-84). No witnesses are
required. A Hawaii POA is durable by default — it survives your later
incapacity — unless the document says otherwise (§ 551E-3(a)).

Requirements one by one

Governing law

Financial powers of attorney are governed by the Uniform Power of Attorney
Act, Haw. Rev. Stat. chapter 551E, enacted by 2014 Haw. Sess. Laws ch. 22,
effective January 1, 2015. It replaced the former chapter 551D. Health care
powers of attorney are addressed separately and are outside this survey's
scope.

Who must sign

The principal signs the POA. If the principal cannot sign, another individual
may sign the principal's name instead, but only "in the principal's conscious
presence" and at the principal's direction (§ 551E-3(b)).

Notarization

Not mandatory for basic validity. Signing alone makes the POA valid; if the
principal instead acknowledges the signature before a notary, that signature
"is presumed to be genuine" (§ 551E-3(b)) — a rebuttable evidentiary boost,
not a validity requirement. Notarization becomes necessary in practice
whenever real estate is involved, since recording the POA generally requires
it.

Witnesses

None required by statute. Section 551E-3 — Hawaii's execution provision for a
financial POA — imposes no witness requirement.

Statutory form

Yes, but optional. Hawaii publishes a fill-in-the-blank "Statutory Form Power
of Attorney" at § 551E-51: "A document substantially in the following form
may be used to create a statutory form power of attorney that has the meaning
and effect prescribed by this chapter." Any document that satisfies
§ 551E-3(b) is valid without using it.

Durable by default?

Yes. Under § 551E-3(a), a Hawaii POA "shall be durable unless it expressly
provides that it is terminated by the incapacity of the principal." You opt
out of durability, not into it.

Springing POA allowed?

Yes. A POA "is effective when executed unless the principal provides in the
power of attorney that it becomes effective at a future date or upon the
occurrence of a future event or contingency" (§ 551E-5(a)) — typically the
principal's incapacity. The principal may name one or more people to
determine in writing that the triggering event occurred (§ 551E-5(b)). If no
one is named, or the named person is unwilling or unable to decide, a
physician or licensed psychologist, or an attorney-at-law, judge, or
appropriate government official, makes that determination instead
(§ 551E-5(c)).

Real estate extras

Mandatory recording, not optional. Section 502-84 requires that "all ...
powers of attorney for the transfer of real property within the State shall
be recorded in the bureau of conveyances," and a POA that isn't recorded is
"not ... binding to the detriment of third parties or conclusive upon their
rights and interests." Hawaii's Bureau of Conveyances is a single statewide
recording office, unlike the county-by-county systems most other states use.

Out-of-state POAs

Yes. A POA "executed outside of Hawaii is valid in this State" if its
execution complied with the law of the jurisdiction that governs the POA's
meaning and effect, or with the federal military power-of-attorney statute,
10 U.S.C. § 1044b (§ 551E-3(d)).

What trips people up

• Real estate recording is mandatory here, not optional. Unlike many
  Uniform Power of Attorney Act states where recording is a convenience,
  § 502-84 makes an unrecorded real-estate POA non-binding against third
  parties — skipping it can undo a transaction after the fact.
• Hawaii's recording system is statewide, not county-by-county. The
  Bureau of Conveyances in Honolulu handles recording for the entire state,
  which is unusual compared to most states' county recorder offices.
• Springing POAs need a determination mechanism. If you make your POA
  effective only upon incapacity and don't name someone to certify that in
  writing, a physician, psychologist, attorney, judge, or government official
  becomes the trigger instead (§ 551E-5(c)) — which can add delay exactly
  when speed matters.
• Durability is the default — read the document carefully if you don't want
  it. Because § 551E-3(a) makes durability automatic, a POA meant to end at
  incapacity must say so explicitly.

Common questions

Do I need to get my Hawaii power of attorney notarized? Not for basic
validity — a signature alone satisfies § 551E-3(b). Get one notarized anyway
if real estate might be involved, since recording with the Bureau of
Conveyances is mandatory for a POA that transfers real property (§ 502-84).

Does my Hawaii POA need witnesses? No. Hawaii's financial-POA statute
imposes no witness requirement.

Will an out-of-state power of attorney work in Hawaii? Yes, if it was
validly executed under the law that governs its meaning and effect — usually
the state named in the document, or the state of execution — under
§ 551E-3(d).

Can I make my POA effective only if I become incapacitated? Yes, that's a
springing POA under § 551E-5. Name someone in the document to certify the
incapacity in writing; otherwise a physician, licensed psychologist, attorney,
judge, or government official makes that call instead.

Statutes and sources

All quotations are from the Uniform Power of Attorney Act as codified in the
Hawaii Revised Statutes, accessed 2026-07-04.

• Haw. Rev. Stat. § 551E-3 — "A power of attorney created under this
  chapter shall be durable unless it expressly provides that it is terminated
  by the incapacity of the principal ... A power of attorney shall be signed
  by the principal or in the principal's conscious presence by another
  individual directed by the principal to sign the principal's name on the
  power of attorney. A signature on a power of attorney is presumed to be
  genuine if the principal acknowledges the signature before a notary public
  or other individual authorized by law to take acknowledgments."
  View official text (data.capitol.hawaii.gov)
• Haw. Rev. Stat. § 551E-5 — "A power of attorney is effective when
  executed unless the principal provides in the power of attorney that it
  becomes effective at a future date or upon the occurrence of a future event
  or contingency."
  View official text (data.capitol.hawaii.gov)
• Haw. Rev. Stat. § 502-84 — "All articles of marriage settlement and
  powers of attorney for the transfer of real property within the State shall
  be recorded in the bureau of conveyances, in default of which no such
  instrument shall be binding to the detriment of third parties or
  conclusive upon their rights and interests."
  View source text (law.justia.com)
• Haw. Rev. Stat. § 551E-51 — "A document substantially in the following
  form may be used to create a statutory form power of attorney that has the
  meaning and effect prescribed by this chapter."
  View official text (data.capitol.hawaii.gov)