ACT Advance Directive Mistakes: Common Errors That Invalidate Your Documents
Most ACT advance care planning documents that fail do not fail because the person got the content wrong. They fail because of procedural errors — witnessing mistakes, execution order problems, or storage gaps — that no one notices until the document needs to work.
Mistake 1: Wrong Execution Order
The ACT's chronological rule means the order you sign your documents in affects which instrument controls an attorney's decision. Under section 19 of the Medical Treatment (Health Directions) Act 2006:
- If the documents are consistent, the attorney must comply with the Health Direction when making a decision about a healthcare or medical research matter
- If the documents are inconsistent, the attorney must comply with the EPoA when the Health Direction was made first, and with the Health Direction when the Health Direction was made after the EPoA
The safe order, when you want a later Health Direction to control an inconsistent treatment decision, is: EPoA first, then Health Direction. Families who complete the Health Direction first and then set up the EPoA can otherwise end up relying on the wrong instrument for a particular decision. This is particularly common when the two documents are prepared by different professionals — a doctor helps with the Health Direction, and a lawyer handles the EPoA weeks later.
Mistake 2: Missing Attorney Acceptance
The EPoA form requires every appointed attorney to sign an Acceptance of Appointment. An EPoA does not confer authority on an attorney until that attorney has signed the acceptance.
This error is almost invisible in the paperwork. The principal's signing ceremony goes perfectly — two witnesses, prescribed Witness 1, concurrent signatures. But the attorney takes the form home and never signs the acceptance. The EPoA does not confer authority on that attorney.
Mistake 3: Both Witnesses Are Related
Only one of the two EPoA witnesses can be a relative of the principal or the attorney. Families who try to handle everything internally — the principal's son witnesses, and the principal's daughter-in-law witnesses — can end up with two related witnesses, which invalidates the document.
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Mistake 4: Vague Health Direction Instructions
"No heroic measures" and "no extraordinary treatment" are the most common phrases in Health Directions, and they are functionally useless. These terms have no clinical or legal definition, which means clinicians have full discretion to interpret them however they see fit.
Effective Health Directions name specific interventions: "Withhold cardiopulmonary resuscitation (CPR). Withdraw mechanical ventilation if I have been unconscious for more than 48 hours. Do not commence artificial nutrition or hydration if I am unable to swallow independently."
Mistake 5: Using Interstate Documents Without ACT Equivalents
Families moving to Canberra from NSW, Victoria, or Queensland often assume their existing advance directive or EPoA will work seamlessly. Cross-border recognition exists, but it is incomplete — especially for healthcare decisions and property transactions.
An NSW EPoA is not automatically ready for an ACT property dealing. Although interstate EPoAs may be recognised under ACT law, Access Canberra Land Titles requires the power to be lodged or registered and may require evidence that it meets the relevant formal requirements. ACT hospitals may question the validity of a Victorian Advance Care Directive that uses consent provisions not available under ACT law. The safe approach is to execute ACT-specific documents and keep the interstate originals as supplementary evidence.
Mistake 6: Handwritten Amendments
Crossing out a clause, adding a note in the margin, or writing in a new attorney's name on an existing document invalidates the amendments and can cause the entire document to be rejected by clinicians or land registries. Any change requires a new document, properly executed and witnessed from scratch.
Mistake 7: Documents Never Reach the Hospital System
This is arguably the most consequential failure. The documents are valid, the witnessing is perfect, the instructions are specific — but nobody uploaded them to MyDHR. The principal arrives at Canberra Hospital by ambulance at midnight, and the treating team has no idea a Health Direction exists. Emergency treatment proceeds by default.
The ACT Advance Directive & Living Will Kit includes a witnessing verification protocol, a step-by-step execution order guide, and a distribution tracker that addresses every one of these failure points before they become a problem you discover during a crisis.
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