Over-contribution penalties on RRSPs and TFSAs

By PlainRRSP Editorial · June 2026

Over-contributing to a registered account is one of the most common Canadian personal finance mistakes — and one of the most expensive when it goes uncaught. The CRA's enforcement is unforgiving: a flat 1% per month penalty on the excess balance, billed every month until the over-contribution is corrected. This guide walks through how the penalty works for both RRSPs and TFSAs and the standard cleanup process.

RRSP over-contributions and the $2,000 buffer

RRSPs have a small built-in tolerance: contributions up to $2,000 above your deduction limit are not penalized, although they are also not deductible. This buffer is designed to forgive minor timing errors — contributing in January based on an early Notice of Assessment estimate that later turns out slightly off. Exceed the $2,000 cushion and the 1% per month penalty kicks in on the amount above the buffer.

TFSA over-contributions — no buffer

The TFSA has no de-minimis buffer. Every dollar above your annual contribution room is subject to the 1% per month penalty from the day it enters the account. The most common TFSA over-contribution scenario is recontributing a withdrawal in the same calendar year — TFSA withdrawals create new room only in the following calendar year, not the current one.

The penalty arithmetic

The the prevailing level monthly penalty applies to the highest excess balance in each month. A $5,000 over-contribution that sits in your account for six months before you correct it costs you $300 in penalty tax — payable to the CRA via form RC243 (TFSA) or T1-OVP (RRSP) along with a separately filed late return. Penalty interest accrues if you do not pay promptly.

How to discover an over-contribution

The CRA typically catches over-contributions during the annual reconciliation of T4RSP / TFSA-issuer reports against your contribution room. You'll receive a letter — usually 12 to 18 months after the year of over-contribution — assessing the penalty plus interest. By then the penalty has been accruing for over a year, so the assessed amount is often substantial.

The cleanup playbook

1. Stop contributing immediately.
2. Withdraw the excess amount via your financial institution — note that for TFSAs, the withdrawal triggers new room only in the next calendar year, but it does stop the penalty clock.
3. File RC243 (TFSA) or T1-OVP (RRSP) for each year affected, computing the monthly highest-excess penalty.
4. Pay the penalty plus interest in full.
5. Request relief under the Taxpayer Relief Program (CRA form RC4288) if the over-contribution was due to reasonable error and you corrected promptly — the CRA can waive part or all of the penalty for first-time, modest-amount, prompt-correction cases.

How to avoid it in the first place

Two practical safeguards: (a) read your current contribution room from CRA My Account, not your brokerage statement (brokerages do not always see contributions made elsewhere or carry-forward adjustments); (b) leave a small cushion below the ceiling — $500 to $1,000 — to absorb any timing surprises around year-end transfers.

Continue reading: RRSP contribution room formula · TFSA cumulative room

Where this fits in your overall registered-account stack

Canadian registered accounts — RRSP, TFSA, FHSA, RDSP, RESP — each have distinct contribution-room mechanics tied to the Income Tax Act (Canada) and Canada Revenue Agency administrative practice. The RRSP is the oldest, dating to 1957 when the federal government created Registered Retirement Savings Plans to encourage household retirement saving. Today the system layers on top of CPP/QPP (mandatory contributions) and OAS (residency-based) — the RRSP is the second pillar of Canadian retirement income.

The TFSA (Tax-Free Savings Account, introduced 1 January 2009) operates on a complementary basis: contributions are not deductible but withdrawals are entirely tax-free. The FHSA (First Home Savings Account, introduced 1 April 2023) is structurally a hybrid — RRSP-style deductibility going in, TFSA-style tax-free withdrawal coming out, but only for first-home purchase qualifying expenses. Most Canadians hold all three account types simultaneously, with contribution-room tracking handled separately for each by the CRA.

CRA notice-of-assessment as the canonical contribution-room source

Each year's CRA Notice of Assessment (issued after the personal income tax return is processed) shows the contribution room available for the following calendar year. The room is calculated from earned income, with the prior year's pension adjustment (if any) deducted, plus any carry-forward from prior years. The figure is binding for CRA purposes — over-contributions above the threshold are penalised at the rate above per month until either withdrawn or absorbed by new room becoming available the following year.

The CRA's My Account portal at canada.ca/cra/my-account provides real-time access to contribution-room balances. The mobile app MyCRA also displays the room and recent transactions. For taxpayers without My Account access, the contribution-room figure can be requested from the CRA at 1-800-959-8281 or through the paper Notice of Assessment.

Frequently asked questions

What if my employer provides a registered pension plan?

If you participate in a defined-benefit or defined-contribution registered pension plan (RPP) or deferred profit-sharing plan (DPSP) through your employer, the CRA reports a pension adjustment (PA) on your annual T4 slip. The PA reduces your RRSP room dollar-for-dollar for the following tax year. High-end DB plan participants can have PA values exceeding ,000, effectively zeroing out their RRSP room.

Can I carry forward unused contribution room indefinitely?

Yes. Unlike the TFSA (which also carries forward but with a different mechanism), RRSP contribution room from earned income carries forward indefinitely until you turn 71 (the age at which RRSPs must be converted to a RRIF or annuity). The carry-forward room compounds across years for taxpayers who don't max out their annual room.

How does the over-contribution penalty work?

Over-contributions above ,000 (the lifetime over-contribution allowance) trigger a the standard percentage per-month penalty until withdrawn. The withdrawal itself is taxed at marginal rate (it's a normal RRSP withdrawal). The penalty + withdrawal-tax combination usually outweighs any tax benefit from the over-contribution. See our over-contribution penalties guide for the formal mechanics and CRA Form T1-OVP.

2026 registered-account contribution ceilings — snapshot