Resources
Guides, definitions, deadlines and an HST calculator, for when you want the rule first and the booking link after.
Calculators and deadlines
- When Is the Tax Deadline in 2026?Key Canadian tax dates for the 2026 season: 30 April for most individuals, 15 June for the self-employed, plus corporation, trust and RRSP dates.
- How Much Is HST in Ontario?HST in Ontario is 13%: 5% federal and 8% provincial. Work out the tax on an amount, and see when a business has to register for a GST/HST account.
Guides
- What Is the Corporate Tax Rate in Canada?Ontario corporations pay the federal rate plus Ontario’s. Small-business income is taxed at 11.2% combined from 1 July 2026 (12.2% before that date).
- How Much Does It Cost to Incorporate in Ontario?The cost to incorporate in Ontario has two parts: the province’s filing fee and a professional fee to prepare the articles, which the firm quotes first.
- Payroll Remittance to the CRAPayroll remittance covers the income tax, CPP and EI withheld from pay, plus the employer’s share. Due dates follow the remitter type the CRA assigns.
- Do You Have to Claim a TFSA on Your Income Tax Return?A TFSA contribution, and the interest or gains inside it, are not income on the T1, and it is not a deduction. Regular savings interest is different.
- How Far Back Can the CRA Audit?For an individual, the CRA’s normal reassessment period is generally three years from the notice of assessment, longer in some cases. Keep records six years.
- How Long Does It Take to Get a Tax Return Refund in Canada?The CRA’s service standard is about two weeks for an e-filed return and eight weeks for paper, if the return is not reviewed. Why a refund can run late.
- How to File a Tax Return in CanadaThree practical ways to file a tax return in Canada, where to mail a paper return, and what the Scarborough office needs from you.
- How to Get an HST Number in OntarioRegister a GST/HST account with the CRA, usually through Business Registration Online. Registration is due within 29 days of passing the small-supplier limit.
- How to Incorporate a Business in OntarioPick a name or number, file articles through the Ontario Business Registry, then register with the CRA. What the firm files, and what comes after incorporation.
- How to Maximize Your Tax Return in CanadaBring every receipt and slip the return can use, from donations to child care and RRSP contributions. What the firm does, and what it does not promise.
- How to Report a T5008 on Your Tax ReturnA T5008 slip shows a security was sold. The proceeds go on the capital gains schedule, built from your own cost records. What to bring to the office.
- How to Claim an RESP on Your Tax ReturnRESP contributions are not a deduction and the grant is not income. Withdrawals for school are the student’s income. Which slips to bring.
- Sole Proprietorship vs Corporation in CanadaHow a sole proprietorship and a corporation differ in Canada: who files, which return, and how personal and corporate rates work as separate tools.
- Why Do I Owe Money on My Tax Return?You owe when the year’s tax is more than what was withheld or paid. A second job, commission, rental or self-employed income are common causes.
Tax glossary
- What Is Bookkeeping?Bookkeeping is the record of a business’s income, expenses and bank balance, kept so the tax returns can be filed.
- What Is Corporate Tax?Corporate income tax is the tax a corporation pays on its taxable income to Canada and to Ontario.
- What Is HST?HST is the harmonized sales tax. In Ontario it is 13 percent, 5 percent federal and 8 percent provincial.
- What Is Line 10100 on a Tax Return?Line 10100 is employment income, usually box 14 from your T4 slips. Explained by Kennedy Tax in Scarborough.
- What Is Line 12100 on a Tax Return?Line 12100 is interest and other investment income, often reported on a T5. Explained by Kennedy Tax in Scarborough.
- What Is Line 13500 on a Tax Return?Line 13500 is net business income from self-employment on the T1. Explained by Kennedy Tax in Scarborough.
- What Is Line 15000 on a Tax Return?Line 15000 is total income on the T1, the sum of the income lines before deductions. Explained by Kennedy Tax in Scarborough.
- What Is Line 20700 on a Tax Return?Line 20700 is the registered pension plan deduction on the T1. Explained by Kennedy Tax in Scarborough.
- What Is Line 23400 on a Tax Return?Line 23400 is net income before the adjustments that produce the next net-income line. Explained by Kennedy Tax in Scarborough.
- What Is a T1 Tax Return?The T1 is the personal income tax return filed by an individual with the CRA. Explained by Kennedy Tax in Scarborough.
- T2 Return: The Corporation Income Tax ReturnA T2 return is the corporation income tax return filed with the CRA each year. Explained by Kennedy Tax in Scarborough.
- T4 Slips: What They ReportA T4 slip reports employment income and the income tax, CPP and EI that were withheld. Explained by Kennedy Tax in Scarborough.