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Tax Instalments Canada 2026 | When and How to Pay

Updated

What Are Tax Instalments?

Pay-As-You-Go Tax

Concept Details
Why required Pay tax throughout year
For whom Self-employed, investors, pensioners
Instead of Single large payment at tax time
Avoids Large April tax bill

Why CRA Requires Instalments

Reason Details
Employees Tax deducted each paycheque
Others No regular deductions
Solution Quarterly payments

Who Needs to Pay Instalments?

The $3,000 Rule

Requirement Details
Current year Net tax owing >$3,000
AND either prior year Net tax owing >$3,000
Quebec $1,800 threshold

Common Situations

Who Why
Self-employed No employer deductions
Significant investment income Dividends, rental, gains
Pensioners Some pensions don’t withhold
Multiple income sources Tax may be owing

Net Tax Owing

Calculation Details
Total tax Before deducting source deductions
Minus Tax already withheld
Equals Net tax owing

Example

Item Amount
Total tax owed $15,000
Tax withheld at source $10,000
Net tax owing $5,000

If >$3,000 two years in a row → instalments.

Instalment Due Dates

Quarterly Schedule

Payment Due Date
Q1 March 15
Q2 June 15
Q3 September 15
Q4 December 15

If Date Falls on Weekend

Rule Next business day
Saturday Monday
Sunday Monday
Holiday Next day

Three Calculation Methods

Method 1: CRA Calculation

How Details
CRA sends Instalment reminder
Amount Based on prior years
Easiest Just use their number

Method 2: Prior Year

How Details
Take Last year’s tax owing
Divide by 4 For quarterly
Pay That amount each quarter

Method 3: Current Year Estimate

How Details
Estimate This year’s income
Calculate Expected tax
Divide by 4 Pay quarterly

Which Method?

Situation Best Method
Income similar CRA or prior year
Income higher Current year
Income lower Current year
Not sure CRA calculation

CRA Instalment Reminders

What You Receive

Reminder Timing
February Before March payment
August Before September payment

What It Shows

Information Details
Amounts due By date
How calculated Explanation
Ways to pay Payment methods

No Reminder?

If CRA Doesn’t Send Action
May not need instalments Check threshold
CRA calculation Using online account
Your responsibility Even without reminder

How to Pay Instalments

Payment Methods

Method How
Online banking Add CRA as payee
CRA My Payment Credit/debit card
Pre-authorized debit Set up with CRA
Mail cheque To CRA

Setting Up Online Banking

Step Action
1 Log into bank
2 Add payee: CRA Federal
3 Account number = SIN
4 Pay amount by due date

Account Number for Payments

Payment Account Number
Federal instalments Your SIN
GST/HST instalments BN (business number)
Provincial Varies

Interest and Penalties

If You Don’t Pay

Consequence Details
Instalment interest Charged on late amounts
Rate CRA prescribed rate
Compounds Daily

Current Interest Rate

Rate ~8-10% (varies)
Check CRA website for current
Compounds Daily

Example Interest

Late Amount $5,000
Days late 90
Rate 8%
Interest ~$100

Reducing Interest

If You Pay Result
Some but not all Partial interest
Extra earlier Offsets later shortfall
Current year accurate May reduce

Quebec Differences

Provincial Instalments

Quebec Details
Threshold $1,800
Separate From federal
Different schedule May vary
Revenu Québec Handles

Other Provinces

Province Requirement
Combined With federal
No separate Provincial instalments
Except Quebec Own system

Strategies

Strategy 1: Match to Income

When Income Varies
Q1 low income Pay less
Q2 high income Pay more
Match To actual expected

Strategy 2: Pay CRA Amount

Always Safe
Pay What CRA suggests
No interest Even if overpay
Get refund At tax time

Strategy 3: Current Year Estimate

When Beneficial
Income lower Than prior year
Cash flow Need the money
Document Calculations

At Tax Time

Instalment Credit

On Return
Line 47600 Total instalments paid
Reduces Tax owing
Refund If overpaid

Tracking Payments

Keep Records
Confirmation numbers From payments
Dates paid When
Amounts How much

Special Situations

First Year Self-Employment

Situation Rule
First year Usually no instalments
Second year May start
Third year Based on prior

Retirement

Situation Options
Pension income Request withholding
OAS/CPP Can request withholding
May avoid Instalments

Moving Provinces

Situation Treatment
Tax rate change Estimate new province
Quebec special May need provincial

Common Questions

Do I Have to Pay Instalments?

Check Action
CRA reminder? Probably yes
Prior years >$3,000? Probably yes
No reminder Calculate yourself

What If I Over-Contribute to RRSP?

Scenario
Reduce tax Through RRSP
Lower instalments Maybe
Document Your reasoning

Can I Stop Paying Instalments?

If Action
Income drops Adjust payments
Income stops May stop
Keep records Justify to CRA

Summary

Key Points

Rule Remember
$3,000 threshold Two years
Quarterly payments Mar, Jun, Sep, Dec
Interest if late Prescribed rate
Three methods Calculate yourself

Checklist

Task Done
Check if required
Set up payments
Mark due dates
Keep records