US Tax Tools

1099-INT box guide

1099-INT Box 8: Tax-exempt interest

Report federally tax-exempt interest without including it in ordinary federal taxable interest.

Return destination

Where the amount goes

Form 1040 tax-exempt interest

1099-INT

Return to the complete form guide and reconciliation worksheet.

Checks before filing

  • Report the amount even when it is federally tax-exempt.
  • Check whether the bond is exempt in your state of residence.
  • Keep private activity bond interest from Box 9 identified separately.

Related 1099-INT boxes

Frequently asked questions

What does Box 8 mean on 1099-INT?

Box 8 reports tax-exempt interest. It is generally excluded from federal taxable income but remains reportable and can affect other tax calculations.

Sources

Last updated August 1, 2026 Tax year 2025 & 2026

Data sources: IRS — About Form 1099-INT, Interest Income

This tool is general information only, not financial advice.

Box labels and filing flow follow the current IRS form page and instructions. State treatment and individual filing requirements can differ.

Reviewed by USTax Tools Editorial Desk

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