buksoInstalments avoid interest pay quarterly
Not tax advice. General bookkeeping information only, checked against the official sources linked below (Canada Revenue Agency, IRS, provincial governments and Justice Laws) on Oct 17, 2026. Rules change; check with your accountant before you file.
Canada
If CRA asks you to pay tax instalments, paying the amount CRA shows (or the amount based on last year's or this year's tax) by each due date means no instalment interest. Corporations do not need instalments when their tax is $3,000 or less this year or last year.
Official source: canada.ca