Can your Power of Attorney change your beneficiaries on a segregated fund?

Estate Planning · Plume Financial Services

Can Your Power of Attorney Change Your Beneficiaries?

What every Canadian with a segregated fund — and a POA in place — needs to understand before it's too late.

Michael Plume · Plume Financial Services Inc. · Estate Planning

It is one of the most important questions in estate planning — and the answer surprises nearly everyone who hears it. If you become incapacitated and your Power of Attorney steps in to manage your financial affairs, can they change the beneficiary on your segregated fund contract?

The short answer, in most cases, is no. And once you understand why, you will likely see that as a good thing.

"Changing a beneficiary designation is a deeply personal, testamentary act. The law generally treats it as something only you can do — not someone acting on your behalf."

Why this question matters more than people realize

A Power of Attorney for property is designed to allow a trusted person — often a spouse or adult child — to manage your financial affairs if you lose capacity. They can pay your bills, manage your investments, handle your banking, and make financial decisions on your behalf.

But beneficiary designations on segregated fund contracts occupy a unique legal space. They are not ordinary financial transactions. They are instructions about what happens to your assets when you die. Canadian courts have consistently treated these as testamentary-like decisions — ones that belong to you personally, not to someone acting under your authority.

The general rule and what drives it

In most provinces, including New Brunswick, a POA for property does not automatically authorize changes to beneficiary designations on insurance contracts or segregated funds — unless the document explicitly says so. Three factors shape the outcome in any given situation:

The three factors that determine whether a POA can change a beneficiary

• How the POA is drafted: Does it contain explicit language authorising changes to insurance contracts or beneficiary designations? A standard bank-issued or generic template almost never does.

• Provincial insurance legislation: Segregated funds are governed by provincial Insurance Acts. In New Brunswick, the Insurance Act governs how beneficiary designations work and the threshold for changing them.

• The carrier's own requirements: Even if the POA appears to authorise it, carriers like iA Financial Group have internal policies on accepting beneficiary change instructions from an attorney under POA, and many will decline without very specific documentation.

How different POA situations play out

Situation What it means? Can POA change beneficiary?

Standard generic POA (bank-issued or basic template). Typically does not include insurance or beneficiary authority. Generally, no

Broadly drafted POA with explicit insurance powers. May permit beneficiary changes if the carrier also accepts. Possibly yes

POA is silent on insurance matters. The default interpretation is no, the carrier will likely decline. Generally, no

Carrier-specific requirements not met. Even a valid POA may be rejected by iA or other carriers without proper documentation. Ask your carrier

Why "generally no" is actually a protection

It might feel like a limitation. In practice, it is a safeguard. The beneficiary designation you made when you were fully capable is legally protected from being altered by someone else acting under your POA. Consider what that actually prevents:

What this restriction protects your family from

• A child acting as POA, redirecting a death benefit away from your intended beneficiaries — and toward themselves

• A new spouse unwinding a designation that was meant to protect children from a first marriage

• Financial elder abuse, where a person with POA authority uses it to alter the inheritance of other family members

• Undue influence from a caregiver, advisor, or family member who gains access during a period of vulnerability

The designation you made while you had full capacity is the designation that will be honoured. That is the entire point of planning ahead.

"Your POA manages your affairs while you are alive. Your beneficiary receives the proceeds when you are gone. These are two different jobs — and they work best when they are handled by two clearly defined legal structures."

The clean three-stage structure that actually works

When a segregated fund is paired with a proper beneficiary designation and a well-drafted POA, the estate plan has a clean chain of authority at every stage of life:

Stage 1

While you are capable

You control everything. Full authority over your accounts, your designations, your plan.

Stage 2

If you lose capacity

Your POA steps in with clear, uncontested authority. Your designations remain protected.

Stage 3

When you pass away

Your named beneficiary receives the proceeds directly — outside probate, no delays, no ambiguity.

The flip side: act before you lose capacity

The same protection that prevents abuse also means this: if your circumstances change, you need to act on your beneficiary designations while you still have the legal capacity to do so. Your attorney under POA may have no ability to make that change on your behalf — even if everyone in the family agrees it needs to happen.

Life events that should trigger an immediate beneficiary review

• Marriage or entering a common-law relationship

• Separation or divorce

• Death of a named beneficiary

• Birth of a child or grandchild you want to include

• Estrangement from a previously named beneficiary

• Blended family changes — new spouse, stepchildren

• Significant change in a beneficiary's financial or personal circumstances

A beneficiary designation review takes less than an hour. Done proactively — before capacity becomes a question — it is one of the most effective things you can do for the people you intend to protect.

What to do right now

If you have not reviewed your beneficiary designations in the last two to three years, or if your family situation has changed in any meaningful way, it is worth a conversation. The goal is simply to ensure that your plan reflects your intentions — and that the legal structures around it are coordinated, not working against each other.

• Review all segregated fund and insurance contracts for current, accurate beneficiary designations

• Have your POA document reviewed by an estate lawyer — particularly if you want it to address insurance matters

• Ensure your POA and your beneficiary designations are coordinated so they support the same outcome

• Schedule a beneficiary designation review as part of your regular annual financial check-in

A beneficiary designation review takes less than an hour and can prevent years of legal and family complications.

Book a review ↗

This article is for general information purposes only and does not constitute legal or tax advice. Powers of Attorney and beneficiary designations involve complex legal considerations that vary by province — please consult a qualified estate lawyer regarding your specific circumstances. Michael Plume is a licensed insurance and investment advisor in New Brunswick and Nova Scotia. Segregated funds are offered through iA Financial Group. This discussion does not apply to Quebec residents.