What Is IRS Form 1099-INT?
IRS Form 1099-INT is used to report interest income paid to individuals. Any organization that has paid interest, withheld foreign tax, or withheld federal tax under backup withholding rules must file Form 1099-INT.
The form requires the payer’s name, address, and TIN as well as the recipient’s name, address, and TIN. An account number may also be required, especially for large electronic submissions.
How to Fill Out IRS Form 1099-INT (Box by Box)
The form has 13 boxes, each reporting different types of interest or related amounts:
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Box 1: Interest Income – Taxable interest income paid during the year.
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Box 2: Early Withdrawal Penalty – Shows forfeited interest or principal.
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Box 3: U.S. Savings Bond and Treasury Interest – Exempt from state/local tax.
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Box 4: Federal Income Tax Withheld – Backup withholding applied.
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Box 5: Investment Expenses
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Box 6: Foreign Tax Paid
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Box 7: Foreign Country or U.S. Possession
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Box 8: Tax-Exempt Interest
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Box 9: Specified Private Activity Bond Interest
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Box 10: Tax-Exempt Bond CUSIP Numbers
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Boxes 11–13: State Information – State, state ID, and state tax withheld.
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Filing Deadlines for Form 1099-INT
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Copy B: Must be sent to the recipient by January 31.
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Copy A: Must be filed with the IRS (with Form 1096) by February 28 (paper) or March 31 (e-file).
If filing 10 or more forms, you must submit electronically using the IRS FIRE or IRIS systems. Extensions are available.
How 1099fire Can Help
Completing and filing IRS Form 1099-INT can be stressful, especially for businesses managing large batches of forms. That’s why so many turn to 1099fire:
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1099-INT software to prepare, print, and e-file forms.
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Easy Data Import – Upload recipient payment files directly.
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Error Checking – Reduce IRS rejections with built-in validation.
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E-File Service – File electronically with the IRS FIRE/IRIS systems.
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Recipient Delivery – Print and mail Copy B or send electronically.
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Bulk Filing Support – Perfect for organizations filing thousands of forms.
With 1099fire, you can stay compliant, save time, and avoid costly penalties.
Key Takeaways
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Form 1099-INT reports interest income and related amounts.
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Deadlines: January 31 (recipient), February 28/March 31 (IRS).
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E-filing required for 10+ forms.
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1099fire software makes the filing process simple and IRS-compliant.