Tax & Revenue Administration - Important Filing and Remittance Dates

Corporate Income Tax

Please note:  Net File for Alberta Corporate Income Tax:  effective July, 2011, Tax and Revenue Administration (TRA) will offer Alberta corporate income tax filers the option of filing returns in electronic format. See Corporate Income Tax - Net File and Frequently Asked Questions.

* Filing and remittance dates refer to the date that returns or remittances MUST BE RECEIVED BY TRA.  

If the required filing or remittance date falls on a weekend or a government holiday, it is deferred to the next business day.

See also:  Notice of Objection dates.

Name of Return		Return Filing Due Dates*		Remittance Due Dates*		Additional Informa- tion
Alberta Corporate Income Tax Return: AT1 Return and Schedules		Within 6 months from the end of a corporation's taxation year.		Instalment Payments: Due the last day of each month and remaining balance, if any, is due: > Canadian Controlled Private Corporations (CCPCs): On or before end of the third month following the taxation year > Other Corporations: On or before the end of the second month following the taxation year CCPCs exempt from instalments: Total tax is due by the end of the third month following the taxation year end. Other Corporations exempt from instalments: Total tax due by the end of second month following the taxation year end.		See Information Circulars: CT-2, Filing Requirements CT-3, Alberta Corporate Tax Instalments
Alberta Insurance Corporations Tax Return: AT 2095		On or before the 75th day following the taxation year end.		On or before the 75th day following the taxation year end.		See Information Circular: CT-21, Insurance Corporations Tax

Please make all cheques payable to the Government of Alberta.

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