A power of attorney (POA) is a legal document that authorizes another person — your "attorney" — to make decisions on your behalf. In estate planning, POAs are essential safeguards for periods of incapacity. They are distinct from a will, which only takes effect after death. Without a POA, your family may be unable to manage your finances or make medical decisions for you without a lengthy and costly court process.
A power of attorney for property (sometimes called a "financial POA") gives your attorney authority over your financial affairs: banking, investing, paying bills, buying or selling property, managing rental income, and filing tax returns. It can be limited to specific tasks or be general in scope.
A power of attorney for personal care (called a "healthcare directive," "representation agreement," or "personal directive" depending on the province) authorizes your attorney to make medical and personal care decisions on your behalf. This includes decisions about medical treatment, housing, diet, and hygiene when you cannot communicate your own wishes.
The most important distinction for estate planning is whether a POA is "continuing" or "enduring." A regular POA becomes void if you lose mental capacity — the opposite of what you usually want. A continuing or enduring POA specifically states that it remains in effect if you become incapacitated. For estate planning purposes, you almost always want a continuing POA.
Without a continuing POA for property, if you become incapacitated, no one can legally manage your finances — not even your spouse — unless they apply to court for a guardianship order. This process takes time and money and requires ongoing court reporting. Banks will not allow transactions on your accounts without legal authority.
Without a POA for personal care, medical teams will look to your next of kin, but "next of kin" is not a legal decision-maker in all situations. If there is any disagreement about your care, or if you have no close family, the Public Guardian and Trustee may be appointed instead.
Choosing your attorney for a POA requires even more trust than choosing an executor, because your attorney may be acting while you are still alive and vulnerable. Key considerations:
Your attorney for property can manage your day-to-day financial affairs but is generally restricted from making gifts or changing your estate plan unless you have explicitly authorized this. Your attorney for personal care makes decisions guided by your expressed wishes and known values — they cannot simply do whatever they want. Both attorneys have a legal duty to act in your best interests.
A power of attorney must be in writing and signed by you. Most provinces require one or two witnesses (who are not your attorney or spouse of your attorney). Some provinces require the document to be notarized. Each province has specific requirements:
Always use a lawyer or qualified service to ensure your POA meets your province's requirements. Online will platforms like Willful include POA creation for most provinces.
You can specify when your POA takes effect. Options include:
Springing POAs that take effect upon incapacity are common, but can cause practical delays since incapacity must be proven. Immediate POAs give more flexibility but require complete trust in your attorney.
As long as you have mental capacity, you can revoke a POA at any time by signing a written notice of revocation and delivering it to your attorney and any institutions that have a copy. A new POA automatically revokes earlier ones covering the same scope, provided the new document says so explicitly.
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