Your situation
You are worried that your parent may no longer be able to create or change a POA.
What to check first
Separate diagnosis from legal capacity.
Identify the specific decision or document that must be signed.
Check for an existing POA, health-care directive, trust, benefits/payment representative, or other less restrictive support.
Determine whether an urgent transaction or safety issue is creating a closing window.
Common rule
Decision-making capacity is a legal question applied to a particular decision and context. A diagnosis alone does not automatically mean a more restrictive legal arrangement is required.
What not to assume
Do not diagnose incapacity yourself.
Do not assume bad decisions equal legal incapacity.
Do not jump directly to a more restrictive court-appointed decision-making arrangement before checking less restrictive alternatives.
What you can do now
Gather existing authority documents.
Write down the exact action that must be taken and why timing matters.
Ask an appropriate lawyer to review available alternatives if signing ability is uncertain.
When professional help becomes important
Prompt legal review is appropriate when the parent may no longer understand the document being proposed, authority is missing, or urgent financial/health decisions are approaching.
Jurisdiction matters
Au Québec, l’exécution d’un mandat de protection exige la survenance de l’inaptitude, des évaluations médicale et psychosociale et l’homologation du tribunal.
An Alberta enduring POA is made while the donor is capable. If it is triggered by incapacity, the document should state who confirms that event; otherwise the default written-declaration rules may apply.
British Columbia presumes an adult capable until the contrary is demonstrated and sets a specific statutory test for capacity to make an enduring POA.
Ontario assumes adults are capable until shown otherwise, and capacity is decision-specific. A continuing POA can remain valid after later incapacity if it was validly made.
For an Ohio springing POA tied to incapacity, the document may name who determines the triggering event; if it does not, § 1337.29 provides fallback methods.
Massachusetts recognizes durable POAs that survive later disability/incapacity or become effective upon disability/incapacity when the required intent is stated.
Arizona defines capacity for executing a POA as understanding in a reasonable manner the nature and effect of executing and granting the power; coercion and deception are separately addressed.
A Virginia springing POA may specify who determines that the triggering event has occurred; do not infer incapacity from diagnosis alone.
A Nevada springing POA tied to incapacity may name who determines the trigger; if no one is available, the statute supplies a medical-professional fallback.
A Nebraska springing POA may name who determines that a future event or incapacity trigger has occurred; the statute supplies a fallback determination process when needed.
A Wyoming springing POA may identify who determines that a future event or incapacity trigger has occurred; the statute supplies a fallback process when needed.
Maine’s UPOAA provides a springing-event and incapacity-determination framework; use the document first before relying on statutory fallback rules.
Kentucky permits springing POAs and provides fallback professionals who may determine the triggering incapacity when the document does not supply an available decision maker.
An Alabama springing POA may identify who determines that a future event or incapacity trigger has occurred; the statute supplies fallback decision makers for incapacity when needed.
New Hampshire RSA 564-E:109 provides a specific process for a springing POA tied to incapacity, including physician or judge/government-official fallback when the document does not supply an available decision maker.
Tennessee § 34-6-111 permits a POA to defer general effectiveness until disability/incapacity and grants limited immediate HIPAA access to determine whether that trigger has occurred.
Mississippi official guidance recognizes durable POAs that survive or spring upon incapacity. Capacity and execution questions remain document- and law-specific and require review where disputed.