CRA Notice of Assessment: The Complete LoonieLabs Guide (2026)
Your CRA Notice of Assessment (NOA) is the most consequential single document of your tax year. It sets your refund or balance owing, your RRSP deduction limit, your TFSA contribution room, and every carryforward CRA will remember about you for the next decade.
We wrote eight guides covering every section, every CRA letter that follows, and every dispute path you might need. Read whichever one matches what just landed in your CRA My Account inbox.
The 8 guides
- CRA Notice of Assessment Explained: A Line-By-Line Guide for 2026
Decode every section of the NOA — refund/balance, RRSP room, TFSA room, carryforwards, and what to actually do next.
- CRA Reassessment vs Assessment: What's the Difference (and What to Do)
How to spot a reassessment, the strict 90-day appeal window, and how far back CRA can reach.
- How to Dispute a CRA Notice of Assessment in 2026
T1 adjustment vs Notice of Objection (T400A), the 90-day deadline, and when to escalate to the Tax Court of Canada.
- CRA Balance Owing on Your NOA: What It Means and 4 Ways to Pay
What's actually in the 'balance owing' number, the 8% interest rate, and the four payment methods worth using.
- RRSP Deduction Limit on Your NOA: What It Is and How to Use It
How CRA calculates your annual RRSP room, where the $2,000 buffer fits, and how to use the deduction strategically.
- TFSA Contribution Room on Your NOA: Why CRA's Number Is Wrong Half the Time
Why CRA's TFSA tracking lags from November to March, and how to track your true room manually.
- CRA Review Letter vs Audit vs Reassessment: A Plain-English Guide
Three CRA letters that all feel like nightmares — and the very different things they actually require from you.
- How Long Does a CRA Refund Take After Your NOA in 2026?
The standard 2026 refund timeline, what slows refunds down, and the two settings that determine speed.
Tools that help
- Income Tax Calculator — model your federal + provincial liability before filing
- RRSP Calculator — estimate tax savings on a planned contribution
- TFSA Calculator — track contribution room and project growth
- Tax Refund Tracker — map filing date to expected refund date
- Late Filing Penalty Calculator — model what's at stake before disputing
- FHSA Contribution Room Calculator — for first-time home buyers
About this guide
This guide is published by Shrey Patel, founder and editor-in-chief of LoonieLabs. Every article is built from primary sources at canada.ca, the CRA, and the Income Tax Act. We have no affiliate relationships with tax software, banks, or accountants. Read our methodology.
Editorial disclaimer
This article is published by LoonieLabs for general information only. It is not financial, tax, legal, accounting, or immigration advice and must not be relied on as such. Rules, dollar figures, interest rates, and program eligibility change — always verify with the Canada Revenue Agency, IRCC, or a qualified professional before acting. Spotted an error? See our corrections policy. Last reviewed: May 2, 2026.
Written and reviewed by Shrey Patel — Founder & Editor-in-Chief
Winnipeg, MB · Figures cross-checked against official tax & benefits sources · Last reviewed May 2, 2026 · LinkedIn
Founder of LoonieLabs · based in Winnipeg, MB · writes and reviews every page on the site I oversee every figure on this page personally — verified against primary sources (CRA, IRCC, Statistics Canada, the Bank of Canada, or the originating provincial ministry). LoonieLabs has no affiliate relationships with any bank, credit card, or immigration consultant featured on this site. Spotted a mistake? Tell us.
Published by LoonieLabs.