Interest received on a refund from an amended return is Taxable interest that must be claimed on the Form 1040-X.
If your taxable interest income exceeds $1,500, include it on Schedule B (Form 1040), Interest and Ordinary Dividends, and attach it to your tax return. When filing Form 1040-NR, please refer to the Instructions for Form 1040-NR for specific reporting information. The interest on 2019 refunds is taxable, and taxpayers must report it on their 2020 federal income tax return.
Learn more on Form 1040
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