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The IRS 1040-X form serves as a crucial tool for taxpayers seeking to amend their previously filed individual income tax returns. When discrepancies arise—whether due to errors in income reporting, overlooked deductions, or changes in filing status—this form provides a formal avenue for correction. Understanding its major components and the steps required for submission is essential for achieving tax compliance. The 1040-X enables individuals to adjust their reported income, tax deductions, and credits, which can lead to a tax refund or additional tax owed. Its three-column format—detailing the original amounts, the adjusted figures, and the difference—facilitates a transparent review of changes. Timeliness is critical; taxpayers generally have up to three years from the original filing date or two years from the date of tax payment to submit this amended return. Additionally, navigating the nuances of this form involves not just mechanical completion but also careful consideration of the implications of changes made. Understanding these aspects can empower taxpayers to rectify past mistakes and ensure their tax filings reflect accurate financial situations.

Form Sample

Note: The form, instructions, or publication you are looking for begins

after this coversheet.

Please review the updated information below.

New Information for Form 1040-X Filers

E-filing is available for amending 2019 and 2020 returns that were originally e-filed. E-filing amended returns will result in much faster processing and refunds. See IRS.gov/Form1040X and IRS.gov/filing/amended- return-frequently-asked-questions. Contact your preferred tax software provider to verify their participation in amended return e-filing, for specific instructions needed to submit an amended return, and for answers to any questions. An amended return for tax year 2019 or 2020 can also be filed on paper. As of February 2021, the most recent paper Form 1040-X is the January 2020 revision. If the taxpayer is amending their 2020 calendar year return, they should manually enter “2020” in the entry box next to “calendar year” on the line below the calendar year checkboxes. They should then complete the form as usual, using the most recent revision of Form 1040-X and the Instructions for Form 1040 for the tax year being amended.

New Mailing Addresses for Form 1040-X if You Can’t E-file

Addresses for mailing paper Forms 1040-X have changed for amended returns.

Note: All addresses must have at least three full lines of text to meet USPS requirements; USPS may reject mail that does not meet that standard—therefore, be sure to use all three lines in the addresses listed below.

If you are amending your return because of any of the situations listed next, use the corresponding address.

IF you are filing Form 1040-X:

THEN mail Form 1040-X to:

 

 

In response to a notice you received from the IRS

The address shown in the notice

 

 

With Form 1040NR or 1040NR-EZ; or from a foreign country, U.S.

Department of the Treasury

possession or territory*; or use an APO or FPO address; or file Form

Internal Revenue Service

2555, 2555-EZ, or 4563; or are or were a dual-status alien

Austin, TX 73301-0215

 

 

*If you live in American Samoa, Puerto Rico, Guam, the U.S. Virgin Islands, or the Northern Mariana Islands, see Pub. 570 at IRS. gov/Pub570.

If none of the situations listed above apply to you, mail your amended return to the address shown next that applies to you. Addresses for people living in Alabama, Alaska, Arkansas, California, Georgia, Hawaii, Illinois, Indiana, Iowa, Michigan, Minnesota, Ohio, Oklahoma, Washington, and Wisconsin have changed.

If you live in:

THEN mail Form 1040-X to:

 

 

 

 

Alabama, Arkansas, Florida, Georgia,

Department of the Treasury

 

Internal Revenue Service

 

Louisiana, Mississippi, Oklahoma, or Texas

 

Austin, TX 73301-0052

 

 

 

 

 

 

 

Through June 18, 2021, use:

Starting June 19, 2021, use:

Alaska, California, or Hawaii:

Department of the Treasury

Department of the Treasury

Internal Revenue Service

Internal Revenue Service

 

 

Fresno, CA 93888-0422

Ogden, UT 84201-0052

 

 

 

Connecticut, Delaware, District of Columbia,

 

 

Illinois, Indiana, Kentucky, Maine, Maryland,

 

 

Massachusetts, Minnesota, Missouri,

Department of the Treasury

 

New Hampshire, New Jersey, New York,

Internal Revenue Service

 

North Carolina, Pennsylvania, Rhode Island,

Kansas City, MO 64999-0052

 

South Carolina, Tennessee, Vermont, Virginia,

 

 

West Virginia, or Wisconsin

 

 

 

 

 

Arizona, Colorado, Idaho, Iowa, Kansas,

Department of the Treasury

 

Michigan, Montana, Nebraska, Nevada,

 

Internal Revenue Service

 

New Mexico, North Dakota, Ohio, Oregon,

 

Ogden, UT 84201-0052

 

South Dakota, Utah, Washington, or Wyoming

 

 

 

 

 

 

Full-year health care coverage (or, for amended 2018 returns only, exempt). If amending a 2019 return, leave blank. See instructions.

Form 1040-X

(Rev. January 2020)

Department of the Treasury—Internal Revenue Service

Amended U.S. Individual Income Tax Return

Go to www.irs.gov/Form1040X for instructions and the latest information.

OMB No. 1545-0074

This return is for calendar year

2019

Other year. Enter one: calendar year

 

2018

2017

2016

or fiscal year (month and year ended):

Your first name and middle initial

Last name

 

Your social security number

 

 

 

 

If joint return, spouse’s first name and middle initial

Last name

 

Spouse’s social security number

 

 

 

 

Current home address (number and street). If you have a P.O. box, see instructions.

Apt. no.

Your phone number

 

 

 

City, town or post office, state, and ZIP code. If you have a foreign address, also complete spaces below. See instructions.

 

Foreign country name

Foreign province/state/county

Foreign postal code

Amended return filing status. You must check one box even if you are not changing your filing status. Caution: In general, you can’t change your filing status from a joint return to separate returns after the due date.

Single

Married filing jointly

Married filing separately (MFS)

Qualifying widow(er) (QW)

Head of household (HOH)

If you checked the MFS box, enter the name of spouse. If you checked the HOH or QW box, enter the child’s name if the qualifying person is a child but not your dependent.

Use Part III on the back to explain any changes

A. Original amount

B. Net change—

C. Correct

reported or as

amount of increase

 

previously adjusted

or (decrease)—

amount

Income and Deductions

(see instructions)

explain in Part III

 

1Adjusted gross income. If a net operating loss (NOL) carryback is

 

included, check here . . . . . . . . . . . . . . .

1

2

Itemized deductions or standard deduction

2

3

Subtract line 2 from line 1

3

4a

Exemptions (amended 2017 or earlier returns only). If changing,

 

 

complete Part I on page 2 and enter the amount from line 29 . . . .

4a

b

Qualified business income deduction (amended 2018 or later returns only)

4b

5Taxable income. Subtract line 4a or 4b from line 3. If the result is zero

or less, enter -0-

. . . . . . . . . . . . . . . . . .

5

Tax Liability

6Tax. Enter method(s) used to figure tax (see instructions):

 

 

6

7

Credits. If a general business credit carryback is included, check here

7

8

Subtract line 7 from line 6. If the result is zero or less, enter -0- . . .

8

9Health care: individual responsibility (amended 2018 or earlier returns

 

only). See instructions

9

10

Other taxes

10

11

Total tax. Add lines 8, 9, and 10

11

Payments

12Federal income tax withheld and excess social security and tier 1 RRTA

 

tax withheld. (If changing, see instructions.)

12

13

Estimated tax payments, including amount applied from prior year’s return

13

14

Earned income credit (EIC)

14

15

Refundable credits from:

Schedule 8812 Form(s)

2439

4136

 

 

8863

8885

8962 or

other (specify):

 

 

15

16Total amount paid with request for extension of time to file, tax paid with original return, and additional

tax paid after return was filed

16

17 Total payments. Add lines 12 through 15, column C, and line 16

17

Refund or Amount You Owe

 

 

 

 

18

Overpayment, if any, as shown on original return or as previously adjusted by the IRS

18

19

Subtract line 18 from line 17. (If less than zero, see instructions.)

19

20

Amount you owe. If line 11, column C, is more than line 19, enter the difference

20

21

If line 11, column C, is less than line 19, enter the difference. This is the amount overpaid on this return

21

22

Amount of line 21 you want refunded to you

22

23

Amount of line 21 you want applied to your (enter year):

estimated tax

23

 

 

 

 

Complete and sign this form on page 2.

For Paperwork Reduction Act Notice, see instructions.

Cat. No. 11360L

Form 1040-X (Rev. 1-2020)

Form 1040-X (Rev. 1-2020)

Page 2

Part I

Exemptions and Dependents

 

Complete this part only if any information relating to exemptions (to dependents if amending your 2018 or later return) has changed from what you reported on the return you are amending. This would include a change in the number of exemptions (of dependents if amending your 2018 or later return).

!

For amended 2018 or later returns only, leave lines 24, 28, and 29 blank.

A. Original number B. Net change

C. Correct

CAUTION

Fill in all other applicable lines.

of exemptions or

number

 

Note: See the Forms 1040 and 1040-SR, or Form 1040A, instructions

amount reported

or amount

 

or as previously

 

 

for the tax year being amended. See also the Form 1040-X instructions.

adjusted

 

24Yourself and spouse. Caution: If someone can claim you as a

 

dependent, you can’t claim an exemption for yourself. If amending your

 

 

2018 or later return, leave line blank

24

25

Your dependent children who lived with you

25

26

Your dependent children who didn’t live with you due to divorce or separation

26

27

Other dependents

27

28Total number of exemptions. Add lines 24 through 27. If amending your

2018 or later return, leave line blank

28

29Multiply the number of exemptions claimed on line 28 by the exemption amount shown in the instructions for line 29 for the year you are

amending. Enter the result here and on line 4a on page 1 of this form. If

 

amending your 2018 or later return, leave line blank

29

30 List ALL dependents (children and others) claimed on this amended return. If more than 4 dependents, see inst. and here

Dependents (see instructions):

(a) First name

Last name

(b)Social security number

(c) Relationship

to you

(d)if qualifies for (see instructions):

Child tax credit

Credit for other dependents

(amended 2018 or later returns only)

 

Part II Presidential Election Campaign Fund

Checking below won’t increase your tax or reduce your refund.

Check here if you didn’t previously want $3 to go to the fund, but now do.

Check here if this is a joint return and your spouse did not previously want $3 to go to the fund, but now does. Part III Explanation of Changes. In the space provided below, tell us why you are filing Form 1040-X.

Attach any supporting documents and new or changed forms and schedules.

Remember to keep a copy of this form for your records.

Under penalties of perjury, I declare that I have filed an original return and that I have examined this amended return, including accompanying schedules and statements, and to the best of my knowledge and belief, this amended return is true, correct, and complete. Declaration of preparer (other than taxpayer) is based on all information about which the preparer has any knowledge.

Sign Here

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Your signature

 

Date

 

 

Your occupation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Spouse’s signature. If a joint return, both must sign.

 

Date

 

 

Spouse’s occupation

 

 

 

Paid Preparer Use Only

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Preparer’s signature

 

Date

 

 

Firm’s name (or yours if self-employed)

 

 

 

 

 

 

 

 

 

 

 

 

 

Print/type preparer’s name

 

 

 

 

Firm’s address and ZIP code

 

 

 

 

 

 

Check if self-employed

 

 

 

PTIN

 

 

 

 

 

Phone number

 

 

EIN

 

 

 

 

 

 

 

 

 

 

For forms and publications, visit www.irs.gov.

 

 

 

 

 

 

 

 

Form 1040-X (Rev. 1-2020)

Document Specifications

Fact Name Description
Purpose The IRS 1040-X form is used to amend a previously filed federal tax return. It allows taxpayers to correct errors or make changes to income, deductions, or credits.
Eligibility Any taxpayer who has filed a Form 1040, 1040-SR, or 1040-NR can use the 1040-X to amend their tax return.
Filing Deadline Amended returns must generally be filed within three years of the original return's due date or within two years of the date the tax was paid, whichever is later.
Form Length The 1040-X form consists of three sections to help clarify what has been changed, the reasons for the changes, and the amounts involved.
Filing Method Taxpayers can file Form 1040-X electronically for tax years 2019 and beyond. Earlier years must typically be mailed to the IRS.
State Forms Most states have their own equivalent forms for amending state tax returns. The requirements and governing laws vary by state.
Refunds If an amendment results in a refund, the IRS will process the refund once the amended return is approved, which may take 8 to 12 weeks.

Steps to Filling Out IRS 1040-X

Getting ready to update your tax return? After filing your initial return, you may realize that you need to make corrections. This is where the IRS 1040-X form comes into play. Completing it is a straightforward process if you follow the steps carefully.

  1. Gather your documents: Collect all relevant tax documents such as your original tax return, W-2s, 1099s, and any other documentation related to the changes.
  2. Obtain Form 1040-X: Download the form from the IRS website or request a paper copy to fill out manually.
  3. Fill out your personal information: Enter your name, address, and Social Security number at the top of the form. Make sure these details match your original return.
  4. Complete the sections: The form has three columns: “Original Amount,” “Net Change,” and “Correct Amount.” Fill in the necessary adjustments based on the changes you are making.
  5. Explain your changes: In the space provided, clearly describe why you are filing the amendment and the adjustments made.
  6. Sign and date the form: Once you’ve completed everything, make sure to sign and date the form. If someone else is preparing it for you, they must sign as well.
  7. Submit your form: Mail the completed Form 1040-X to the address specified for your state. Ensure you keep a copy for your records.

By following these steps, you can effectively file your amended return and make sure your tax records are accurate. Don't forget that you may want to check the IRS website for any specific instructions related to your situation before submitting.

More About IRS 1040-X

What is the IRS 1040-X form?

The IRS 1040-X form is used to amend a federal tax return that has already been filed. If you discover an error or wish to revise information, such as income, filing status, or deductions, the 1040-X allows you to correct those details. This form is essential for accurately reporting your tax liability and potentially reclaiming overpaid taxes.

When should I use the 1040-X form?

Use the 1040-X form when you need to make changes to your previously filed tax return. Common reasons include correcting income amounts, updating filing statuses, or claiming missed credits or deductions. If you realize these errors within three years of your original due date, you can typically file an amended return.

How do I fill out the 1040-X form?

To fill out the 1040-X form, start with basic identification information at the top. Next, carefully provide the original amounts from your initial return and the corrected amounts in the specified columns. It’s important to explain the reasons for your amendments in Part III of the form. Ensure all relevant figures and calculations are included to avoid delays.

Can I e-file my 1040-X form?

Yes, you can e-file Form 1040-X in certain circumstances. Since 2020, the IRS allowed e-filing for amended returns for tax years 2019 and later. To e-file, you must use tax software that supports the 1040-X form. However, if you are amending for earlier tax years, you will need to print and mail your amended return.

How long does it take for the IRS to process my 1040-X form?

Processing time for Form 1040-X varies. Generally, the IRS may take up to 16 weeks to process an amended return. Due to the nature of the amendments and the potential complexities involved, patience is required. To check the status, you can use the IRS’s online tool for amended returns.

Will I receive a refund if I amend my return using the 1040-X?

If your amendment results in a lower tax liability or an increased tax refund, you can expect to receive that refund after your amended return is processed. However, any outstanding tax obligations may offset the refund. It’s wise to keep track of any communications with the IRS regarding your amended return's status.

Common mistakes

  1. Inaccurate Information: One common mistake is entering incorrect personal details, such as name, address, or Social Security number. It's essential to verify these details before submission to avoid delays.

  2. Missing Signatures: Failure to sign and date the form can lead to immediate rejection. Remember to include all required signatures for both spouses if filing jointly.

  3. Not Following the Correct Order: The 1040-X must be filled out in the order of the original return. Changes should be made clearly and should reflect all corrections accurately.

  4. Failing to Include Required Documentation: Supporting documents, such as W-2s or 1099s, may be necessary. Ensure that you attach any relevant paperwork to substantiate your changes.

  5. Incorrect Calculation of Tax Refund or Payment: Errors in arithmetic can produce incorrect results. Check calculations carefully to ensure the accuracy of any refunds or payments owed.

  6. Neglecting to Mail to the Correct Address: The IRS has specific mailing addresses for amended returns based on the state in which you live. Use the appropriate address to prevent delays in processing.

Documents used along the form

If you've discovered an error on your tax return and need to file an amended return using the IRS 1040-X form, several other documents may be required to ensure a smooth process. These documents help provide additional context, supporting information, or updates needed for your amended filing. Below is a list of key forms and documents often used in conjunction with the 1040-X.

  • IRS Form 1040: This form is your original tax return. You will need it to reference the information you previously submitted.
  • IRS Form W-2: A summary of your wages and withheld taxes from your employer. If you're correcting your income, this form is essential.
  • IRS Form 1099: Similar to the W-2, this form reports various types of income, such as freelance work or interest income. It's crucial if you have unreported income.
  • IRS Form 8862: This form is used to claim the Earned Income Credit (EIC) after it has been disallowed in a previous year. If you're eligible now, you'll need this form.
  • IRS Form 8888: If you wish to allocate your tax refund to multiple accounts, this form allows you to do so. It's key if you're planning for your refund distribution.
  • IRS Form 4506-T: Need to get a transcript of your tax return? This form allows you to request a copy from the IRS for verification.
  • Supporting Documents: Any receipts, statements, or records that substantiate the changes made to your income, deductions, or credits should accompany your filing.
  • Schedule A: If you are itemizing deductions, this schedule provides details and breakdowns that support your claims.
  • Schedule C: Used for reporting income or loss from a business you own. Provide this if your amendments involve business earnings.
  • State Tax Return: If your federal amendments affect your state return, be prepared to amend your state tax documents as well.

Gathering the correct forms and documents is crucial for successfully amending your tax return. Ensure that you have everything prepared to avoid delays or complications with your filing. Always check for the most current requirements or any updates from the IRS directly.

Similar forms

The IRS 1040-X form, used for amending tax returns, shares similarities with the IRS Form 1040, the standard individual income tax return. Both forms are central to reporting income, deductions, and credits to the IRS. While the 1040 form records the initial filing, the 1040-X allows taxpayers to make adjustments after the original submission. This includes correcting income amounts or claiming additional deductions that were overlooked. The goal of both forms is the same: to ensure complete and accurate reporting of one’s financial situation for the tax year in question.

An additional document that resembles the 1040-X is the IRS Form 941, which is used by employers to report income taxes, Social Security tax, and Medicare tax withheld from employee wages. Like the 1040-X, Form 941 allows for corrections. Employers can submit a new Form 941 if they discover that previous information was inaccurate, such as incorrect wage amounts or tax withholdings. Both forms involve revising previously submitted information to ensure compliance with IRS regulations.

The IRS Schedule C, which reports profit or loss from a business, also has a parallel with the 1040-X in terms of amendments. If a self-employed individual realizes they made an error in their original Schedule C filing, they may need to amend their tax return using the 1040-X to correct the changes reflected on the schedule. Each form emphasizes accuracy and ensures that all calculations regarding income from self-employment are properly reported.

Another document that bears resemblance to the 1040-X is the IRS Form 1065, which is used to report income, deductions, and credits from partnerships. If a partnership discovers discrepancies in its reported figures, it can file an amended return through Form 1065. Likewise, the 1040-X is utilized by partners to adjust their individual tax returns to account for changes that arise from the amendment of the partnership's tax documents. Both processes aim to rectify earlier filings and ensure that all stakeholders receive accurate information relating to taxes.

The IRS Form 990 also mirrors the 1040-X in its function of amending tax returns, though it is specific to tax-exempt organizations. Nonprofits that find errors on their Form 990 can file an amended return if they need to correct their prior reporting. Just as the 1040-X allows individuals to rectify their individual tax situations, Form 990 serves a similar purpose in ensuring that nonprofit organizations adhere to proper reporting standards.

Lastly, the IRS Form 4868, which is an application for an automatic extension of time to file a federal tax return, offers some similarities. While it is not an amendment form, it indicates the importance of accurate and timely filings. An individual who has filed for an extension may later need to submit a 1040-X if they identify mistakes in their return after the extension period. This underlines the interconnectedness of various tax forms and the ongoing responsibility to ensure correct reporting.

Dos and Don'ts

When filling out the IRS 1040-X form to amend your tax return, it’s essential to navigate the process carefully. Here are five important actions to take and avoid:

  • Do double-check your information. Accuracy is crucial when modifying your tax return. Ensure that your identification details, such as your Social Security number, are correct.
  • Don't rush through the process. Take your time to review the form thoroughly. Mistakes can lead to delays in processing and could also raise questions with the IRS.
  • Do include supporting documents. If your changes affect your income, deductions, or credits, attach any necessary documentation that backs up your amendments.
  • Don't forget to explain your changes. Provide clear and concise reasons for each amendment in the explanation section of the 1040-X. This helps the IRS understand your adjustments.
  • Do file your 1040-X timely. There are deadlines for amending tax returns, especially if you are seeking a refund, so make sure to file on time.

Following these guidelines will help ensure a smoother experience as you amend your tax return. Take the steps necessary to protect yourself and simplify the process.

Misconceptions

The IRS 1040-X form allows taxpayers to amend their federal income tax returns. However, several misconceptions can make the process seem more complicated than it is. Here’s a closer look at some of these misunderstandings:

  • You can't use the 1040-X if you e-filed your original return. This is not true. You can still amend your return even if you filed electronically, although you may need to print and mail the 1040-X instead of filing it online.
  • I can amend my return anytime I want. While there’s no strict deadline for amending, there are limits. Generally, you must file your 1040-X within three years of the original filing date or two years after paying the tax, whichever is later.
  • The 1040-X only addresses math errors. This misconception is misleading. You can use the 1040-X to correct various issues, including missed deductions, filing statuses, and even income adjustments.
  • Submitting a 1040-X means I will be automatically audited. This isn't accurate. Amending your tax return doesn't automatically trigger an audit. The IRS focuses on suspicious activity, not on the fact that you corrected an honest mistake.
  • You will get your refund faster by using the 1040-X. Unfortunately, amending your tax return typically takes longer to process than a regular return. Expect a wait of up to 16 weeks for your amended return to be processed.
  • If the changes I made increase my tax owed, I don’t need to pay until the IRS processes my 1040-X. This is a common misconception. You are responsible for any additional taxes owed as soon as you file the amendment. It’s best to pay promptly to avoid interest and penalties.

Understanding these misconceptions can alleviate concerns and lead to a smoother amendment process. If you’re considering filing a 1040-X, ensure that you do your research or consult a tax professional for guidance.

Key takeaways

The IRS 1040-X form is an essential document for anyone needing to amend their federal tax return. Here are some critical takeaways to keep in mind when filling out this form:

  1. Understand the Purpose: The 1040-X form allows taxpayers to correct mistakes or make changes to their original tax return. This includes adjustments to income, deductions, credits, or filing status.
  2. Timing Matters: You should file the 1040-X within three years of the original return due date. This ensures that you can claim a refund or correct tax inconsistencies.
  3. Provide Clear Explanations: Be detailed in your reasoning for the changes. In Part III of the form, provide a concise explanation of why you are amending your return, as it helps the IRS understand your situation better.
  4. Attach Supporting Documentation: Include copies of any forms or schedules that relate to the changes made. This additional information helps substantiate your amended return.
  5. Watch for Refund Delays: After submitting the 1040-X, your refund may take longer to process. It can take up to 16 weeks to receive any refund or notification regarding the status of your amendment.

By keeping these points in mind, you can navigate the process of amending a tax return with greater confidence.