Estate planning is not only about what happens after you pass away. It is also about protecting your wishes during your lifetime. One of the most important documents you can have in place is an Appointment of Medical Treatment Decision Maker.
At Hemmings Legal, we regularly assist clients in Victoria to prepare this vital document. Appointing a trusted person to make medical choices on your behalf ensures you remain in control, even if you cannot speak for yourself.
What is a Medical Treatment Decision Maker?
In Victoria, a Medical Treatment Decision Maker is a person you legally appoint to make decisions about your medical care if you lose capacity. This includes consenting to or refusing medical treatment, surgical procedures, or palliative care.
Without this appointment, your family may face uncertainty, stress, and disagreements during an already emotional time.
Why You Need One
There are several important reasons to have an Appointment of Medical Treatment Decision Maker in place:
- Certainty: You choose who will speak for you, rather than leaving the decision to chance.
- Clarity for doctors: Medical professionals know who has authority to decide, avoiding delays in treatment.
- Reduced conflict: Families avoid disputes about what you would have wanted.
- Peace of mind: You can rest assured your medical care reflects your values and preferences.
Who Should You Appoint?
Your decision maker should be someone you trust completely, such as a spouse, partner, adult child, or close friend. They should understand your values, be comfortable making difficult decisions, and be willing to act in your best interests.
It is also wise to appoint a back-up decision maker in case your first choice is unable to act.
How to Appoint a Medical Treatment Decision Maker in Victoria
The appointment must be made in writing, using the correct legal form under the Medical Treatment Planning and Decisions Act 2016 (Vic). The document must be signed, witnessed correctly, and kept safe. Doctors, hospitals, and family members should know where to find it.
At Hemmings Legal, we guide you through the process to make sure your appointment is valid, legally compliant, and tailored to your circumstances.
Part of a Complete Estate Plan
An Appointment of Medical Treatment Decision Maker is most effective when combined with other estate planning documents. You should also consider preparing a Will and an Enduring Power of Attorney to cover financial and personal matters. Together, these documents provide comprehensive protection for your future.
Key Takeaway
Appointing a Medical Treatment Decision Maker is one of the simplest yet most powerful steps you can take to protect yourself and your loved ones. It ensures your medical treatment reflects your wishes, even when you cannot make decisions for yourself.
Ready to Get Started?
Hemmings Legal makes the process clear, supportive, and practical. Contact us today to discuss preparing your Appointment of Medical Treatment Decision Maker in Victoria, or to review your existing estate planning documents.

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