Capacity Assessment for Power of Attorney in WA

Capacity Is the Single Point of Failure

Every enduring power of attorney in Western Australia rests on one legal fact: the donor had full legal capacity at the moment they signed. Not yesterday. Not last month when they seemed fine at the family dinner. At the precise moment the pen touched the paper.

If capacity is challenged later — by a family member, a bank, or the State Administrative Tribunal — keep evidence of the donor's capacity. A dated medical assessment from the day of signing is strong evidence, and a witnessed signature alone does not record the donor's capacity.

What the GP Actually Evaluates

The legal threshold is whether the donor understands the nature, scope, and legal implications of delegating decision-making. In practice, a GP may explore:

1. The nature of the document — that they're creating a legal instrument giving someone else authority over their financial affairs
2. The scope of the power — what the attorney will be able to do (access bank accounts, sell property, manage investments, pay bills)
3. The identity of the appointee — who they're choosing as their attorney and why
4. The enduring element — that the power continues even after they lose the ability to make decisions themselves
5. The ability to revoke — that they can cancel the EPA while they still have capacity

A GP conducting a capacity assessment will typically explore these five areas through conversational questions. They might ask the donor to explain in their own words what the document does, who they've chosen, and what happens if they later develop dementia. The doctor is looking for genuine understanding, not rote recitation.

A GP may use cognitive screening alongside the directed legal-capacity conversation, but a screening score by itself does not establish legal capacity.

When You Need a Formal Report (and When You Don't)

A formal capacity report is especially important when:

• The donor has any diagnosed cognitive condition (dementia, Alzheimer's, Parkinson's, vascular cognitive impairment)
• The donor's capacity is borderline or fluctuates
• The donor has been hospitalised recently for a stroke, brain injury, or delirium
• Another family member is likely to challenge the EPA

A formal report is advisable but not legally required when:

• The donor is in good cognitive health with no diagnosed conditions
• All family members agree on the appointment
• The donor can clearly articulate their wishes

Even when no formal report is strictly necessary, having the GP act as one of the two witnesses creates a contemporaneous professional record of capacity. It provides protection that a retrospective assessment months later cannot match.

The Medical Report Itself

If you do need a formal cognitive capacity report, ask the GP to record:

• The date of the assessment
• A statement that the donor understood the nature, scope, and consequences of the EPA being executed
• Whether the doctor identified any conditions that might fluctuate (some dementias have good days and bad days — the assessment must confirm capacity on the day of signing specifically)
• The doctor's professional opinion on whether the donor meets the legal threshold for executing an enduring instrument

Ask the GP to frame their conclusion in language that maps to the statutory test under the Guardianship and Administration Act 1990. A vague "patient appears oriented and alert" is less useful than "patient demonstrates understanding of the nature of the enduring power of attorney, the scope of powers being delegated, and the identity of the appointed attorney."

Borderline Capacity: The Grey Zone

The hardest cases involve people whose capacity fluctuates. A person with early-stage vascular dementia might be perfectly lucid on Tuesday morning and confused by Thursday afternoon.

Western Australian law allows for execution during a period of lucidity, provided that capacity is independently confirmed at the exact time of signing. The practical approach:

1. Book a morning appointment when the donor is typically most alert
2. Have the GP assess capacity that morning
3. If the GP confirms capacity, proceed to the signing ceremony immediately — same appointment, same room
4. The GP witnesses the signing as the authorized witness and notes the time and their capacity finding in the medical record

If the GP determines that capacity is insufficient on the day, do not proceed. An EPA signed after capacity has been lost is legally void, and the family must apply to the SAT for the relevant guardianship or administration order.

What Happens Without a Capacity Assessment

If no medical assessment exists and someone later challenges the EPA, evidence of capacity may have to be reconstructed after the fact. This typically means:

• Testimony from the two witnesses about the donor's behaviour and understanding at signing
• Medical records from around the date of execution showing cognitive status
• Statements from family members about the donor's daily functioning

This retrospective approach is expensive, uncertain, and much weaker than a contemporaneous GP assessment. A same-day capacity assessment removes the single biggest vulnerability in the entire EPA process.

When Capacity Has Already Been Lost

If your parent or relative has already lost the ability to understand and execute an EPA, the document route is closed. For financial or personal decision-making authority, the path is an application to the State Administrative Tribunal for a guardianship or administration order.

The SAT application requires its own medical report — the Cognitive Capacity Medical Report — which is more detailed than a pre-signing assessment. The GP must document the specific cognitive deficits, the prognosis, and the areas of decision-making where the person can no longer function independently. This report, along with a Service Provider Report outlining care needs, forms the evidentiary basis for the SAT hearing.

The SAT doesn't charge application or hearing fees, but the standard processing time is approximately eight weeks under Practice Note 9. Without an interim order, no one has formal legal authority to manage the person's finances or make binding care decisions during that window.

Getting Capacity Right the First Time

The Western Australia Power of Attorney Kit includes a capacity assessment worksheet designed to prepare both the donor and the GP for the signing-day conversation. It covers the key understanding questions above, suggests questions the GP can use, and provides a template for the written medical assessment that maps directly to the legal test.

Getting the capacity question right at the start is the cheapest insurance in the entire EPA process. Everything else — Landgate registration, bank acceptance, aged-care admissions — depends on this one foundation being solid.

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