Tax Year End 2026. 10, 2025 — the internal revenue service today announced that the nation’s 2025 tax season will start on monday, jan. The expiration of tcja in 2026 will bring widespread changes to the u.s.
These tax rates are set to sunset. For single filers and heads of households age 65 and over, the additional standard deduction will increase slightly — from $1,950 in 2024 (returns you’ll file soon in early 2025) to.