Who Can Contribute to an RESP? Subscribers and the $50,000 Cap

Anyone who is a Canadian resident with a Social Insurance Number can contribute to an RESP, provided they are the subscriber on the plan or are contributing through a subscriber’s account. The Income Tax Act sets a low bar for who can open one: a valid SIN, supplied to the financial institution before the plan is registered with the CRA.¹ The subscriber is the person or entity that opens the account, directs contributions, chooses the investments, and later authorizes payments to the student. Who else can chip in, and under what conditions, depends on the plan type.

Individual Subscribers

The simplest arrangement is one person opening a plan for one beneficiary. The statute itself asks only for a SIN, issued by Service Canada.² There is no minimum age and no residency requirement in the Income Tax Act for the subscriber.¹

In practice, financial institutions add their own conditions. Opening an RESP means signing a contract, so most promoters require the subscriber to have reached the age of majority in their province (18 or 19). Non-residents may face promoter-level restrictions too, even though the Act doesn’t bar them. So the federal rule is permissive; the account-opening rules at your bank or credit union may not be. Check with the institution before assuming you can subscribe.

Once the plan is open, the individual subscriber can name almost anyone as the beneficiary: a child, grandchild, godchild, friend, or the subscriber themselves. There is no required family relationship for an individual plan.³

Joint Subscribers: Who Can Share an Account

Two people can be listed together as subscribers on one RESP, but the Income Tax Act keeps the list short. Joint subscribers must fall into one of two categories:

Spouses or common-law partners, who can open a plan together or take on subscriber status jointly on an existing one.⁴
Divorced or separated legal parents of the beneficiary, who can jointly open a new plan or continue as joint subscribers on an existing one.⁵

Other pairings do not qualify. Two friends cannot share a subscriber role. A grandparent and a parent cannot. Two siblings cannot. If those people want to contribute to a child’s education, each needs their own separate plan for that beneficiary, or one of them opens the plan and the other simply gifts money to the subscriber to deposit.

Where a marriage or common-law relationship ends, a former spouse can replace the original subscriber outright under a court order or written separation agreement.¹

Family Plans and the Blood or Adoption Rule

A family plan lets one account cover more than one child, which is convenient when siblings’ paths turn out differently. The trade-off is a stricter relationship rule. Every beneficiary named in a family plan must be connected to each living subscriber by blood relationship or adoption.³

The tax definition of “blood relationship” is narrower than everyday usage. It covers the child–parent link, the child–grandparent link, and siblings. It does not cover aunts, uncles, nieces, nephews, or cousins.⁶ If you want to save for a niece, nephew, godchild, or family friend, an individual plan is the route; a family plan won’t work.

Adding a new child to an existing family plan comes with an age limit. The child must be under 21 when added, unless they were already the beneficiary of another family RESP immediately before the transfer.⁷

Public Primary Caregivers

Subscribers don’t have to be individuals. A public primary caregiver — a government department, agency, institution, or provincial public trustee — can open an RESP for a child in its care, so long as the caregiver receives a special allowance under the Children’s Special Allowances Act on behalf of that child.⁵ This channel keeps children in the welfare system eligible for education savings and federal grants.

Taking Over After a Subscriber Dies

The account survives its subscriber. If the original subscriber dies, someone else can step in as the successor subscriber by either acquiring the deceased’s rights under the plan or continuing to make contributions for the beneficiary after the death.⁵ The deceased subscriber’s estate can also take on the subscriber role under the same conditions. Because the handover flows through the estate, naming an intended successor in your will or plan documents helps avoid a gap in who controls the account.

Conditions on the Beneficiary Before You Can Contribute

Being a valid subscriber isn’t enough on its own. Each contribution also depends on two things being true about the beneficiary at the moment the money goes in: the beneficiary has a valid SIN on file with the promoter, and the beneficiary is a Canadian resident.⁸ If either is missing, the promoter cannot accept the deposit. For a family plan, the blood-or-adoption rule described above also has to hold for that beneficiary.

The $50,000 Ceiling Everyone Shares

There is no annual contribution cap on an RESP, but there is a lifetime ceiling of $50,000 per beneficiary across every plan opened for that child. That number counts contributions from all subscribers and all plans combined. If a parent and a grandparent each hold a plan for the same child, their combined deposits cannot exceed $50,000. Federal grant money paid into the plan does not count toward the ceiling.⁸

Overshooting the limit triggers a tax of 1% per month on each subscriber’s share of the excess, and the tax keeps running until the overage is withdrawn. The amount is due within 90 days after the end of the year in which the excess existed.⁸ The CRA can waive or reduce the penalty where the excess resulted from a reasonable error, but relief has to be requested and supported. The practical upshot: if multiple people are saving for the same child, coordinate. The ceiling belongs to the beneficiary, not to any one contributor.

1
Canada Revenue Agency. Frequently Asked Questions for the Registered Education Savings Plans (RESPs)
2
Employment and Social Development Canada. Social Insurance Number – Overview
3
Canada Revenue Agency. RC4092 Registered Education Savings Plans (RESP)
4
Department of Justice. Income Tax Act R.S.C., 1985, c. 1 (5th Supp.) – Section 146.1
5
Canada Revenue Agency. Who Can Be a Subscriber
6
Employment and Social Development Canada. Blood Relationship and Adoption – Info Capsule
7
Government of Canada. Managing the Registered Education Savings Plan, Taxes and Transfers
8
Canada Revenue Agency. Registered Education Savings Plans Contributions