IRS Raises 2026 Tax Brackets And 401(k) Contribution Limits, As House Backs Taxpayer Rights Bill

For 2026, the IRS has raised federal income tax bracket thresholds and standard deductions to reflect inflation. The IRS also raised retirement contribution limits for 2026. Meanwhile, the House passed a bipartisan bill to pause refund deadlines and protect judicial review during IRS collection actions.

IRS Sending More ‘Math Error’ Letters To Taxpayers: Don’t Panic — Here’s Why

“Math Error Notices” are sent when the IRS believes a tax return contains a mathematical or clerical mistake. That could include simple calculation errors, missing information, incorrect tax credits, or income figures that do not match IRS records. What is changing now is the level of detail the IRS must provide.

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