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IRS.gov Website
Publication 17
taxmap/pub17/p17-035.htm#en_us_publink1000171550

How To Report
Interest Income(p63)

rule
Generally, you report all your taxable interest income on Form 1040, line 8a; Form 1040A, line 8a; or Form 1040EZ, line 2.
You cannot use Form 1040EZ if your taxable interest income is more than $1,500. Instead, you must use Form 1040A or Form 1040.
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Form 1040A.(p63)

rule
You must complete Schedule B (Form 1040A or 1040), Part I, if you file Form 1040A and any of the following are true.
  1. Your taxable interest income is more than $1,500.
  2. You are claiming the interest exclusion under the Education Savings Bond Program (discussed earlier).
  3. You received interest from a seller-financed mortgage, and the buyer used the property as a home.
  4. You received a Form 1099-INT for U.S. savings bond interest that includes amounts you reported in a previous tax year.
  5. You received, as a nominee, interest that actually belongs to someone else.
  6. You received a Form 1099-INT for interest on frozen deposits.
  7. You are reporting OID in an amount less than the amount shown on Form 1099-OID.
  8. You received a Form 1099-INT for interest on a bond you bought between interest payment dates.
  9. You acquired taxable bonds after 1987 and choose to reduce interest income from the bonds by any amortizable bond premium (see Bond Premium Amortization in chapter 3 of Publication 550).
List each payer's name and the amount of interest income received from each payer on line 1. If you received a Form 1099-INT or Form 1099-OID from a brokerage firm, list the brokerage firm as the payer.
You cannot use Form 1040A if you must use Form 1040, as described next.
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Form 1040.(p63)

rule
You must use Form 1040 instead of Form 1040A or Form 1040EZ if:
  1. You forfeited interest income because of the early withdrawal of a time deposit;
  2. You acquired taxable bonds after 1987, you choose to reduce interest income from the bonds by any amortizable bond premium, and you are deducting the excess of bond premium amortization for the accrual period over the qualified stated interest for the period (see Bond Premium Amortization in chapter 3 of Publication 550); or
  3. You received tax-exempt interest from private activity bonds issued after August 7, 1986.
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Schedule B (Form 1040A or 1040).(p63)
You must complete Schedule B (Form 1040A or 1040), Part I, if you file Form 1040 and any of the following apply.
  1. Your taxable interest income is more than $1,500.
  2. You are claiming the interest exclusion under the Education Savings Bond Program (discussed earlier).
  3. You received interest from a seller-financed mortgage, and the buyer used the property as a home.
  4. You received a Form 1099-INT for U.S. savings bond interest that includes amounts you reported in a previous tax year.
  5. You received, as a nominee, interest that actually belongs to someone else.
  6. You received a Form 1099-INT for interest on frozen deposits.
  7. You received a Form 1099-INT for interest on a bond you bought between interest payment dates.
  8. You are reporting OID in an amount less than the amount shown on Form 1099-OID.
  9. Statement (2) in the preceding list under Form 1040 is true.
In Part I, line 1, list each payer's name and the amount received from each. If you received a Form 1099-INT or Form 1099-OID from a brokerage firm, list the brokerage firm as the payer.
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Reporting tax-exempt interest.(p63)
Total your tax-exempt interest (such as interest or accrued OID on certain state and municipal bonds, including zero coupon municipal bonds) reported on Form 1099-INT, box 8, and exempt-interest dividends from a mutual fund or other regulated investment company reported on Form 1099-DIV, box 10. Add these amounts to any other tax-exempt interest you received. Report the total on line 8b of Form 1040A or Form 1040.
If you file Form 1040EZ, enter "TEI" and the amount in the space to the left of line 2. Do not add tax-exempt interest in the total on Form 1040EZ, line 2.
Form 1099-INT, box 9, and Form 1099-DIV, box 11, show the tax-exempt interest subject to the alternative minimum tax on Form 6251. These amounts are already included in the amounts on Form 1099-INT, box 8, and Form 1099-DIV, box 10. Do not add the amounts in Form 1099-INT, box 9, and Form 1099-DIV, box 11, to, or subtract them from, the amounts on Form 1099-INT, box 8, and Form 1099-DIV, box 10.
EIC
Do not report interest from an individual retirement account (IRA) as tax-exempt interest.
taxmap/pub17/p17-035.htm#en_us_publink1000171554

Form 1099-INT.(p63)

rule
Your taxable interest income, except for interest from U.S. savings bonds and Treasury obligations, is shown in box 1 of Form 1099-INT. Add this amount to any other taxable interest income you received. See the instructions for Form 1099-INT if you have interest from a security acquired at a premium. You must report all of your taxable interest income even if you do not receive a Form 1099-INT. Contact your financial institution if you do not receive a Form 1099-INT by February 15. Your identifying number may be truncated on any paper Form 1099-INT you receive.
If you forfeited interest income because of the early withdrawal of a time deposit, the deductible amount will be shown on Form 1099-INT in box 2. See Penalty on early withdrawal of savings in chapter 1 of Publication 550.
Box 3 of Form 1099-INT shows the interest income you received from U.S. savings bonds, Treasury bills, Treasury notes, and Treasury bonds. Generally, add the amount shown in box 3 to any other taxable interest income you received. If part of the amount shown in box 3 was previously included in your interest income, see U.S. savings bond interest previously reported, later. If you acquired the security at a premium, see the instructions for Form 1099-INT.
Box 4 of Form 1099-INT will contain an amount if you were subject to backup withholding. Include the amount from box 4 on Form 1040EZ, line 7; Form 1040A, line 40; or Form 1040, line 64 (federal income tax withheld).
Box 5 of Form 1099-INT shows investment expenses you may be able to deduct as an itemized deduction. See chapter 28 for more information about investment expenses.
If there are entries in boxes 6 and 7 of Form 1099-INT, you must file Form 1040. You may be able to take a credit for the amount shown in box 6 unless you deduct this amount on line 8 of Schedule A (Form 1040). To take the credit, you may have to file Form 1116, Foreign Tax Credit. For more information, see Publication 514, Foreign Tax Credit for Individuals.
For a covered security, if you made an election under section 1278(b) to include market discount in income as it accrues and you notified your payer of the election, box 10 shows the market discount that accrued on the debt instrument during the year while held by you. Report this amount on your income tax return as directed in the instructions for Form 1040 or 1040A.
For a covered security, box 11 shows the amount of premium amortization for the year, 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 Form 1040 (Schedule B). If an amount is not reported in this box for a covered security acquired at a premium, the payer has reported a net amount of interest in boxes 1, 3, 8, or 9, whichever is applicable. If the amount in this box is greater than the amount of interest paid on the covered security, please see Regulations section 1.171-2(a)(4).
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U.S. savings bond interest previously reported.(p64)
If you received a Form 1099-INT for U.S. savings bond interest, the form may show interest you do not have to report. See Form 1099-INT for U.S. savings bonds interest, earlier.
On Schedule B (Form 1040A or 1040), Part I, line 1, report all the interest shown on your Form 1099-INT. Then follow these steps.
  1. Several lines above line 2, enter a subtotal of all interest listed on line 1.
  2. Below the subtotal enter "U.S. Savings Bond Interest Previously Reported" and enter amounts previously reported or interest accrued before you received the bond.
  3. Subtract these amounts from the subtotal and enter the result on line 2.
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More information.(p64)

rule
For more information about how to report interest income, see chapter 1 of Publication 550 or the instructions for the form you must file.