HST Filing Deadlines in Ontario: Monthly, Quarterly and Annual

GST/HST return and payment deadlines for Ontario businesses by filing frequency, including the June 15 rule for annual individual filers.

taxes4 min readPublished October 5, 2026

Deadlines by filing frequency

Frequency Return and payment due
Monthly One month after the end of the reporting period
Quarterly One month after the end of the quarter
Annual (most businesses) Three months after fiscal year-end
Annual, individuals with Dec 31 year-end Return June 15, payment April 30

Annual filers may also have to pay quarterly instalments once their net tax passes the CRA threshold.

When do you have to register?

You must register once taxable revenue exceeds $30,000 over four consecutive calendar quarters. See Do I need to register for HST? and our HST registration guide.

Tips

  • File a nil return even if you had no sales. Missing returns trigger penalties.
  • Add your dates to your calendar with our Ontario key dates file.

Frequently asked questions

When is a quarterly HST return due?
One month after the end of the reporting quarter.
When is an annual HST return due for a sole proprietor?
Individuals with business income and a December 31 year-end file by June 15, but any HST owing is due April 30.

Official sources

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