The links and dates you will need.
CRA and Ontario government services that owners use most, and the filing deadlines that recur every year.
CRA contact numbers.
CRA individual enquiries
Personal tax, benefits, My Account and payment questions.
1-800-959-8281CRA business enquiries
Corporate tax, GST/HST, payroll and My Business Account.
1-800-959-5525CRA and tax tools.
Official Government of Canada pages. Each opens in a new tab.
- CRA My Business AccountView balances, file GST/HST returns, manage payroll and authorize a representative.
- CRA online paymentsPay corporate tax, GST/HST, payroll remittances and personal instalments.
- CRA prescribed interest ratesQuarterly rates used for shareholder loans, taxable benefits and overdue amounts.
- Form T776, Statement of Real Estate RentalsReporting rental income and expenses on the personal return.
Ontario
- Ontario Business RegistryRegister a business, file annual returns and update corporate information.
- WSIB for businessesRegistration, premiums and reporting for Ontario employers.
- Employer Health Tax (EHT)Who has to register, the exemption and how to file.
- Ontario Ministry of FinanceProvincial tax programs and account services.
Key dates.
The deadlines that recur for most owner-managed businesses and their families. When a date falls on a weekend or holiday, the CRA moves it to the next business day.
T4 and T5 slips
Employer T4 summaries and T5 slips for dividends and interest paid in the prior calendar year.
Personal tax instalments
Quarterly instalments for individuals the CRA has asked to pay in advance.
Personal tax return and balance owing
T1 filing deadline for most individuals, and the date any balance is due for everyone, including the self-employed.
Self-employed T1 filing
Filing deadline for individuals with self-employment income and their spouses. The balance was still due April 30.
Corporate tax balance
A corporation's balance owing is due two months after its year-end, or three months for many Canadian-controlled private corporations claiming the small business deduction.
T2 corporate tax return
Filing deadline for the corporate return and its schedules, regardless of when the balance was due.
GST/HST returns
Monthly and quarterly filers: one month after the period ends. Annual filers: three months after the fiscal year-end.
Not sure which dates apply to you?
We keep a filing calendar for every client. Ask and we will set one up for yours.