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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Wills & Estate Planning Ontario » Making a Will & Power of Attorney Ontario » Appointing Joint Powers of Attorney in Ontario: Pros and Cons

Appointing Joint Powers of Attorney in Ontario: Pros and Cons

14 Jun 2026 4 min read No comments Making a Will & Power of Attorney Ontario
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Under the Ontario Substitute Decisions Act, you can appoint multiple people as your Power of Attorney. Selecting “jointly” forces them to agree on every single decision, which can cause severe gridlock, whereas “jointly and severally” allows them to act either together or completely independently, offering much more flexibility.

Planning for unexpected incapacity is arguably the most important step in protecting your future. If you suffer a severe medical emergency in Mississauga, or cognitive decline in Brampton, you need someone you trust to manage your banking, pay your bills, and make healthcare decisions. In Ontario, this is done through a Continuing Power of Attorney for Property and a Power of Attorney for Personal Care. However, a major dilemma arises for parents who have more than one child: how do you choose who gets the power without causing family conflict?

Many people decide to appoint two or more of their children to act together. While this seems fair, the legal wording you choose under the Substitute Decisions Act will dictate exactly how they must operate. ❗ You have two main choices: appointing them “Jointly” or “Jointly and Severally.” Misunderstanding the difference between these two small phrases can lead to frozen bank accounts, family warfare, and medical delays. This guide will walk you through the pros and cons of each option.

Step-by-Step Process for Appointing Multiple POAs

Drafting a Power of Attorney requires looking into the future and anticipating potential roadblocks. Generally, most applicants consult with a law firm to structure the document carefully.

Step 1: Understanding “Jointly”

If you explicitly state that your representatives are appointed Jointly, the law requires them to agree on every single action. Both signatures will be required to sell a house, pay a hydro bill, or authorize a medical procedure. The pro is maximum oversight-one child cannot steal your money without the other knowing. The con is extreme gridlock. If one child is on vacation, unreachable, or stubbornly disagrees, your financial life completely freezes.

Step 2: Understanding “Jointly and Severally”

If you appoint your representatives Jointly and Severally, they have the option to act as a team, but either one of them can legally act 100% on their own. 📝 If a sudden hospital transfer is required, either child can sign the paperwork immediately without tracking down the other. The pro is massive flexibility and speed. The con is a lack of mandatory oversight; one rogue child could theoretically empty your bank account without the other child’s permission.

Step 3: Building in Tie-Breaker Clauses

If you appoint three children, you can draft a custom clause allowing for “Majority Rule.” This means if two out of three children agree on selling your property, the transaction can proceed. A law firm can also insert specialized tie-breaker clauses, such as stating that in the event of a medical disagreement, the decision of a specific named doctor or family friend will be final.

Step 4: Communicating Your Wishes

The legal document is only half the battle. Once you have appointed your joint POAs, you must sit them down and explain your expectations. 👥 Ensure they know where the original documents are kept and discuss your preferences regarding long-term care, life support, and how your finances should be spent. A proactive conversation prevents courtroom battles later.

How Much Does it Cost in Ontario?

Properly drafting a Power of Attorney with customized joint clauses is highly affordable, especially compared to the costs of a legal guardianship battle.

  • Drafting Fees: A law firm typically charges between $150 and $300 CAD to draft standalone Power of Attorney documents. If bundled with a Last Will and Testament, the total package usually ranges from $600 to $1,200 CAD.
  • The Cost of Gridlock: If you appoint your children “Jointly” and they cannot agree, they may have to apply to the Ontario Superior Court of Justice for directions. This type of estate litigation easily costs $10,000 to $30,000 CAD.
  • Capacity Assessments: If there is a dispute over whether you have lost capacity to revoke a bad POA, hiring a designated capacity assessor costs roughly $500 to $1,000 CAD.

How Long Does the Process Take?

Drafting and signing a Power of Attorney takes only a few weeks to finalize with your lawyer. Once signed, a Continuing Power of Attorney for Property is valid immediately, unless your lawyer inserts a specific “trigger clause” stating it only takes effect when a doctor declares you incapable. A Power of Attorney for Personal Care only ever takes effect when you are genuinely incapable of making your own health and shelter decisions. It remains valid until your death, at which point your Will takes over.

Comparing the Two Legal Standards

Legal ActionAppointed “Jointly”Appointed “Jointly and Severally”
Selling Your HomeRequires both signatures on the real estate forms.Only one signature is legally required.
Paying Daily BillsBoth must authorize cheque/bank transfers.Either can log in and pay the bills immediately.
Risk of AbuseVery Low. Checks and balances are enforced.Moderate. One person can act without informing the other.

Frequently Asked Questions (FAQ)

What happens if one of my Joint POAs dies?

If you appointed them strictly “Jointly,” the death of one automatically terminates the entire Power of Attorney, leaving you unprotected. If you appointed them “Jointly and Severally,” the surviving representative can simply continue acting alone.

Can I appoint different people for property and health?

Yes. It is very common to appoint a financially savvy child as your POA for Property, and a child who works in healthcare as your POA for Personal Care. They operate completely independently of one another.

Can one POA resign if they don’t want the job?

Yes, a representative can resign at any time. However, if they have already started acting on your behalf and you have lost capacity, they must formally provide notice of their resignation to you, their co-POAs, and your relatives to avoid liability.

Do I have to choose my children?

No. You can appoint a trusted friend, a sibling, or even a professional trust company. The most important factor is choosing someone who is organized, trustworthy, and capable of handling complex administrative tasks under pressure.

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