Can Doctors Override an Advance Directive in Saskatchewan?

The short answer is: they can't override your refusal of treatment, but they're not required to provide treatment they consider clinically inappropriate. That distinction — between honouring a refusal and being compelled to provide something — is where most of the confusion sits.

What Saskatchewan Law Actually Says

Under The Health Care Directives and Substitute Health Care Decision Makers Act, 2015, healthcare providers are legally protected from civil or criminal liability when they follow a health care directive in good faith. The law is clear that a valid directive must be respected.

But the Act also recognizes what's sometimes called the Fulton limits: a directive cannot compel a clinician to perform treatments that are clinically inappropriate, futile, or contrary to professional standards. You can refuse any treatment — that's an absolute right. But you cannot use a directive to force a doctor to provide an intervention they've determined has no clinical benefit.

When the Directive Takes Effect

Your health care directive activates when two conditions are met:

1. You lack capacity to make the specific healthcare decision at hand — you can't understand the relevant information, appreciate the foreseeable consequences, or communicate your decision
2. The situation matches what your directive addresses — the treatment decision relates to preferences or instructions you documented

If you have capacity, the directive sits dormant. Medical teams communicate directly with you. The directive only matters when you can't speak for yourself.

For proxy appointments, the proxy's authority similarly activates only when you lose capacity. Your proxy doesn't get to weigh in on your medical care while you can still make decisions yourself.

Scenarios Where Doctors Won't Follow Your Directive

Futile treatment requests. Your directive says "do everything possible to keep me alive." Your physician determines that CPR on a patient with end-stage organ failure would cause suffering with no prospect of meaningful recovery. The physician is not legally obligated to perform CPR in this scenario. The directive expresses your wish, but the medical team isn't required to provide interventions they consider clinically futile.

Treatments contrary to professional standards. If your directive requests a specific drug or intervention that falls outside accepted medical practice, healthcare providers aren't obligated to comply.

MAID. Your directive cannot pre-authorize Medical Assistance in Dying. Federal law requires a conscious, voluntary request at the time MAID is administered, and a capacity assessment by the medical team. No proxy can request it on your behalf, and no prior directive can trigger it.

Scenarios Where Doctors Must Follow Your Directive

Treatment refusals. If your directive clearly states you refuse mechanical ventilation, blood transfusions, dialysis, or any other specific intervention, healthcare providers must honour that refusal. Your right to refuse treatment is absolute and is not subject to a futility analysis. Even if the medical team believes the treatment would save your life, a clear refusal in a valid directive is binding.

Proxy instructions. When your named proxy makes a decision consistent with your documented wishes, the medical team must follow the proxy's direction. The proxy stands in your shoes and has the same authority you would have if you were making the decision yourself.

How to Make Your Directive Harder to Override

Ambiguous directives are the ones most likely to be second-guessed by medical teams. "No extraordinary measures" is vague. "I refuse mechanical ventilation, including intubation and tracheostomy, if I have a progressive neurological condition with no reasonable prospect of meaningful cognitive recovery" is specific.

Practical steps:

• Name specific interventions you accept or refuse, rather than using general phrases
• Discuss your preferences with your physician and request a Goals of Care Designation that translates your directive into clinical orders
• Make sure your directive is accessible — upload it to MySaskHealthRecord with eHR Viewer sharing enabled, and place a copy in the Yellow Sleeve on your fridge
• Brief your proxy so they can advocate for your documented wishes if the medical team has questions

The stronger your documentation, the less room there is for clinical interpretation — and the less likely that a medical team will deviate from your wishes.

What If There's a Dispute?

If your proxy and the medical team disagree about what the directive requires, either party can apply to the Court of King's Bench for judicial direction. Similarly, if a proxy and a court-appointed personal guardian clash, the dispute goes to court.

These situations are rare but real. They typically arise when the directive is vague, when family members disagree about what the patient "really wanted," or when a proxy is making decisions that appear inconsistent with the documented wishes. Clear, specific language in the directive is the best prevention.

The Saskatchewan Advance Directive & Living Will Kit includes treatment-specific templates and a physician conversation guide to help you write a directive that's precise enough to be followed without interpretation.

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