T2 Corporate Tax Return in Ontario: What Documents You Need (Start Early)

If you run a corporation in Ontario, the easiest way to reduce stress at tax time is simple: start your T2 prep early and keep a clean document checklist. Most “surprises” happen because bookkeeping isn't reconciled, slips are missing, or year-end items (like assets and shareholder loans) weren't tracked properly.

This post gives you a practical, CRA-ready checklist you can follow.

What is a T2 return (quick context)

A T2 corporate tax return is the income tax return your corporation files each year. It's based on your corporation's financial statements and supporting records.

Even if your corporation had low activity, you still want your records clean and consistent.

The T2 document checklist (Ontario corporation)

Here's what you want ready before T2 preparation:

1) Year-end financials (core)

• Profit & Loss (Income Statement)
• Balance Sheet
• General ledger (or transaction detail)
• Bank and credit card statements for the full fiscal year
• Reconciliations (bank/credit card) for each month (or at least year-end)

If your books aren't reconciled, your numbers are not “final.”

2) Sales + income support

• Invoice list (or sales summary)
• Payment processor reports (if applicable)
• Any large deposits explained (avoid “mystery deposits”)

3) Expense support (receipts + invoices)

• Major receipts/invoices organized by month
• Vendor statements (if receipts are missing)
• Notes for unusual items (one sentence explanation helps)

4) Payroll (if you have employees)

• Payroll summaries
• T4/T4A slips issued
• PD7A or payroll remittance summaries
• CRA payroll account statements (if available)

Payroll mistakes can create CRA letters—clean documentation matters.

5) HST/GST (if registered)

• HST returns filed for the year
• HST collected vs ITCs support
• CRA HST account statements (if available)

If HST filings don't match the books, fix it before T2.

6) Shareholder/owner items (common problem area)

• Shareholder loan account details (money in/out)
• Personal expenses paid by the corporation (track clearly)
• Dividends paid (dates + amounts + documentation)
• Management fees (if used)

This is where many corporations get messy—track it cleanly all year.

7) Assets + equipment purchases (don't miss this)

• List of equipment/tools/vehicles purchased
• Invoices for large purchases
• Financing/lease agreements (if applicable)

Large purchases often need special treatment in the books—don't just “expense everything” without reviewing.

8) Loans + financing

• Loan statements
• Interest paid summaries
• New financing agreements signed during the year

9) Prior-year info (so nothing breaks)

• Last year's T2 return and Notice of Assessment
• Prior-year carryforward schedules (if applicable)
• Any CRA correspondence

The “start early” timeline (simple)

If you want T2 prep to be smooth:

• Monthly: reconcile bank/credit cards
• Quarterly: review HST + payroll consistency
• 60–90 days before year-end: clean up shareholder loan, assets, and missing receipts
• After year-end: finalize reconciliations and prepare the checklist above

Common T2 prep mistakes (Ontario)

• Waiting until the deadline month to start bookkeeping
• Not reconciling accounts (numbers don't tie)
• Missing receipts and guessing expenses
• Ignoring shareholder loan activity
• Mixing personal and corporate spending
• HST returns not matching the books

FAQs