Quebec taxes guide 2026

Quebec tax deadlines in 2026

A clear snapshot of the dates that matter most when you need to file and pay without mixing up federal and provincial timelines.

2026 filing deadline table

SituationCRA (federal)Revenu Quebec
EmployeeApril 30, 2026April 30, 2026
Self-employed taxpayer (or spouse)June 15, 2026June 15, 2026
Payment of balance owingApril 30, 2026May 1, 2026
Deceased person (before November 2025)April 30, 2026April 30, 2026
Deceased person (Nov.-Dec. 2025)6 months after death6 months after death
Graduated rate estate90 days after year-end90 days after year-end

Late penalties

CRA (federal)
  • Base: 5% of balance owing
  • Monthly: + 1% for each full month (up to 12 months)
  • Repeat filing: 10% if repeated within 3 years
  • Interest: Interest compounded daily at the prescribed rate (~8%)
Revenu Quebec (provincial)
  • Base: 5% of balance owing
  • Monthly: + 1% for each full month (up to 20 months)
  • Repeat filing: 10% if repeated within 3 years
  • Interest: Interest compounded daily at the prescribed rate

Useful calendar

March 1, 2026
RRSP contribution deadline for the 2025 tax year

Already passed, but worth keeping in mind for the next filing cycle.

Late February 2026
Receive T4 and RL-1 slips from your employer

Make sure every slip has arrived before you file.

Starting in March 2026
NETFILE and Quebec online filing open

Filing early usually means receiving your refund sooner.

April 30, 2026
Main deadline for employees and balance owing

Late-payment penalties can begin immediately after the deadline.

June 15, 2026
Filing deadline for self-employed taxpayers

The payment deadline does not move with this filing extension.

Frequently asked questions

Does the April 30 deadline also apply in Quebec?

Yes. For most employees, April 30, 2026 remains the key filing and payment deadline for both the federal and Quebec returns.

Does the June 15 extension also extend the payment deadline?

No. The June 15 extension mainly applies to filing for self-employed taxpayers. Amounts owing are still generally due earlier in the spring.

If I am expecting a refund, is it still important to file on time?

Yes. You may avoid late penalties, but you delay your refund and can also delay benefit calculations tied to your return.

Also check which programs may apply to your situation

Tax deadlines are only part of the picture. The questionnaire adds refundable credits, benefits, and public support programs.