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Important Dates

2026 Income Tax Calendar
The new due dates for the 2026 filing season for specific tax returns (including extensions) are listed below.  These due dates are generally applicable for 2025 tax returns.  Many states have conformed to these changes. The following tax returns (For entities which have a year end of December 31) ...
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Canadian Important Dates
The following deadline dates apply to Canadian returns which are required to be filed during 2026. To avoid penalties all returns must be postmarked by the due date specified:   Individuals   April 30, 2026 Deadline to file 2025 personal income tax returns to the CRA and Revenue Quebec. Deadline f...
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U.S. Tax Notebook Entry
  The Tax Return Data Collection Process:  Enter U.S. Tax Notebook here.(Note:  This page is for entry of information for the preparation of U.S. returns only.  For Canadian Returns, click here.) The preparation of income tax returns is based on the following steps.  Please note that all information...
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