T4 Deadline March 2, 2026: What to Do If Your T4 Is Late, Missing, or Wrong (Employee Checklist)

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T4 Deadline March 2, 2026: What to Do If Your T4 Is Late, Missing, or Wrong (Employee Checklist) Waiting on a T4 and feeling stuck? You’re not alone — and you don’t have to panic-file (or wait forever). In 2026, the CRA states the 2025 T4 filing due date is March 2, 2026 . That date matters because it affects how quickly you can file, get a refund, and keep benefits/credits on track. This guide is a practical employee playbook for three situations: late T4 , missing T4 , or a wrong T4 — with a checklist you can run in under 15 minutes. 45-second summary T4 deadline: The CRA lists March 2, 2026 as the 2025 T4 filing due date . The CRA also notes that if a due date falls on a weekend/holiday, it moves to the next business day. ( CRA RC4120 ) If your T4 is missing: Ask the employer first, then check CRA My Account after the issuer submits it. ( CRA: Get a copy of your slips ) If you still don’t have it: You can estimate income using pay stubs and...

NETFILE Opens Feb 23, 2026: 12 Things to Prepare Now (T4, RRSP Receipts, CRA My Account)

NETFILE Opens Feb 23, 2026: 12 Things to Prepare Now (T4, RRSP Receipts, CRA My Account)

Canada’s 2026 tax season officially begins online on February 23, 2026.
That’s when the CRA opens NETFILE and EFILE for filing your 2025 personal income tax return.

If you file early, you typically receive refunds faster and avoid last-minute issues. This checklist helps you prepare everything before NETFILE opens.


45-second summary

  • NETFILE opens: February 23, 2026 (2025 tax year)
  • Most slips arrive by late February
  • Early filing = faster refunds
  • CRA My Account access saves time

Key 2026 Tax Dates (Canada)

  • Feb 23, 2026 — NETFILE/EFILE opens
  • Mar 2, 2026 — RRSP contribution deadline (2025 tax year)
  • Apr 30, 2026 — Filing & payment deadline (most taxpayers)
  • Jun 15, 2026 — Self-employed filing deadline

12 Things to Prepare Before NETFILE Opens

1) Gather your T4 slips

Your employer issues T4 slips showing employment income and deductions. Missing one is the most common cause of filing delays.

2) Collect other income slips

This includes T4A, T5, T5008, pension slips, and investment income records.

3) Organize RRSP contribution receipts

Include receipts for contributions made in 2025 and the first 60 days of 2026.

4) Confirm CRA My Account access

Log in early to avoid lockouts. You can view slips, notices of assessment, and NETFILE confirmations.

5) Verify your SIN and personal details

Errors here can cause CRA rejections or delays.

6) Choose NETFILE-certified tax software

Certified software provides immediate confirmation once your return is submitted.

7) Set up direct deposit

Direct deposit is the fastest way to receive refunds.

8) Decide on RRSP contributions before March 2

If you still plan to contribute for 2025, act early enough to receive your receipt.

9) Review last year’s Notice of Assessment

Check carry-forward amounts and RRSP deduction limits.

10) Prepare deduction and credit documents

Childcare, tuition, medical expenses, disability credits, and donations.

11) Reconcile all income sources

Ensure totals match your slips before submitting.

12) Back up everything digitally

Save PDFs or scans of slips and receipts for CRA review.


NETFILE vs Paper Filing

NETFILE provides instant confirmation and faster processing. Paper filing takes longer and increases error risk.


Common Filing Mistakes That Delay Refunds

  • Missing income slips
  • Incorrect SIN or personal info
  • Forgetting to authorize submission
  • Not including all income sources

FAQ

When does NETFILE open for the 2025 tax year?
February 23, 2026.

Do I need CRA My Account to file?
No, but it makes accessing slips and notices much easier.

When should I start collecting receipts?
As soon as they arrive — most by late February.


Conclusion

Preparing before NETFILE opens helps you file faster, avoid errors, and get refunds sooner.

If you finish this checklist before February 23, you’ll be ready to file the moment NETFILE opens.

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