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Quarterly Tax Developments March 2026
Things to know about Q1 tax developments and related IFRS accounting implications.
This edition of the IFRS Quarterly Tax Developments includes summaries of certain enacted and substantively enacted and effective tax legislation, through 20 March 2026 (except as noted), as well as regulatory developments, legislative proposals and other items to consider as you review or prepare income tax provisions.
Under IFRS, companies are required to account for the effects of tax law changes on their deferred tax assets and liabilities in the period the legislation is substantively enacted. Similarly, companies must reflect the effects of a substantively enacted change in tax laws or rates in their annual effective tax rate computation in the period the changes are substantively enacted. If an interim change is significant, temporary differences may need to be estimated as of the enactment.