Due date for Self-employed tax return

Due date for Self-employed 2017 tax return for you and your spouse or common-law partner is Friday, June 15, 2018. Any balance owing for 2017 must be paid by April 30, 2018. A late-filing penalty on amounts owing may apply to returns received after the June 15th deadline.

For more information on how to file 2017 your tax return

Exception to the due date of your return. When the due date falls on a Saturday, a Sunday, or a public holiday recognized by the CRA, your return is considered on time if we receive it or it is postmarked on the next business day.

If you can’t afford to pay your balance owing by April 30th, file your tax return on time to avoid late-filing penalties!

Due date to file a GST/HST return

If your reporting period is monthly or quarterly, you have to file your GST/HST return and pay the amount you owe no later than one month after the end of your reporting period.

With annual reporting period, there are two possible rules, depending on your situation:

As a individual and you have a December 31 fiscal year-end, you have to file your GST/HST return by June 15 and pay the amount you owe by April 30
in all other cases, you have to file your GST/HST return and pay the amount you owe no later than three months after the end of your fiscal year

Other important facts

Business Records: If you own a business or are engaged in a commercial activity, keep thorough records. Your records have to give enough detail to determine the tax you owe and support any benefits you are claiming. Claims they must be supported by original documents.
Businesses should always get receipts or vouchers when buying anything for business. Receipts should always have the date, name, address, description, and the vendor business number(s) if they are registered for GST/HST or QST/TVQ.