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    Tax Insights: 2025 Annual tax filing and remittance deadlines for corporations

    Issue 2025-05

    In brief

    Canadian corporations are required to file annual income and capital tax returns (due six months1 following each taxation year-end), and to meet several other Canadian annual filing and remittance deadlines.

    This Tax Insights outlines some of the more common compliance requirements (and some significant new requirements) to be considered at this time of year.

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  • Others also may apply (e.g. T4A information return to report certain benefits to shareholders). 

    Failure to meet these requirements may result in the assessment of penalties and/or interest for non-compliance, late filing or late remittance.

    A waiver may be obtained in certain circumstances.

    Some of the compliance requirements discussed below also apply to individuals, trusts and partnerships. Key filing deadlines for corporations, as well as for individuals, trusts and partnerships, are summarized in Tax Facts and Figures2024, available at www.pwc.com/ca/taxfacts (page 38).

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