When Does New Tax Year Start 2025
When Does New Tax Year Start 2025. The season is slated to begin on monday, jan. 27, 2025, for those who like to get an early start on submitting their tax returns.
The agency announced friday that the official start date of the 2025 tax season will be january 27. The irs annually updates its inflation adjustments for each tax and the new rules will go into effect for tax returns filed starting in the 2026 filing season.