If you add this on Schedule A it is a deduction and not income. So you are not paying taxes on that amount.
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Box 10. For a taxable covered security, including a Treasury inflation-protected security, shows the amount of premium amortization allocable to the interest payment(s), unless you notified the payer in writing in accordance with Regulations section 1.6045-1(n)(5) that you did not want to amortize bond premium under section 171. If an amount is reported in this box, see the Instructions for Schedule B (Form 1040 or 1040-SR). If an amount is not reported in this box for a taxable covered security acquired at a premium and the payer is reporting premium amortization, the payer has reported a net amount of interest in box 2. If the amount in this box is greater than the amount of interest paid on the covered security, see Regulations section 1.171-2(a)(4).
If there is an amount in both boxes 10 and 11, for a tax-exempt obligation that is a covered security acquired on or after January 1, 2017, and issued with OID, the amount in box 10 shows the amount of premium amortization for the year that reduces the amount of your tax-exempt interest for the year. The payer may, but is not required to, report the premium amortization for a tax-exempt obligation that is a covered security acquired before January 1, 2017, and issued with OID.
Form 1099-OID
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