Enlarge image | Illinois Department of Revenue 2022 Form IL-1040-X Instructions General Information Should I file Form IL-1040-X? In most cases, if you file an amended return after the extended due You should file Form IL-1040-X, Amended Individual Income Tax date, any penalty for late payment of estimated tax will remain as Return, if you need to change a previously filed Form IL-1040, originally assessed. Individual Income Tax Return, due to a change that affects items used You must file Form IL-1040-X, along with proper supporting to figure your Illinois net income or credits. documentation, for both corrected and amended returns. Your change can occur from a state change or a federal change, i.e., If your amended return is filed incorrectly and additional an amendment of your federal income tax return, liability is due, we must issue you a notice of deficiency within two an adjustment made by the Internal Revenue Service (IRS), or years from the date you filed Form IL-1040-X. If you fail to file an any other recomputation or redetermination. amended return when required, we may issue you a notice of deficiency at any time. You should file Form IL-1040-X only after you have filed a processable Illinois Income Tax return. You must file a separate Form If an amended return claiming a credit or refund is filed IL-1040-X for each tax year you wish to change. Do not file another within six months of the expiration of the statute of limitations, the Form IL-1040 with “amended” figures to change your originally filed statute of limitations will automatically be extended an additional six Form IL-1040. months for issuing an assessment of additional tax due. Do not file Form IL-1040-X if you are only changing your What if I have a net operating loss (NOL) name, address, or Social Security number. Instead, forward this information to the address provided under ‘‘What if I need deduction or net Internal Revenue Service (IRS) assistance?’’ or update your information electronically on our account section 1256 contracts loss? management program at mytax.illinois.gov. In general, Illinois allows you to take the same NOL carryback or carryforward deduction or net IRS section 1256 contracts loss Which revision of Form IL-1040-X should I use? carryback allowed on your federal income tax return. A carryback To amend, use the Form IL-1040-X for the year you are amending. deduction is a “federal change” that reduces your federal adjusted If you are amending your Form IL-1040 for 2007 or earlier, you must gross income (AGI) on Step 2, Line 1. For either an NOL or net IRS use the 10/08 revision of Form IL-1040-X (for 2007 and earlier tax section 1256 contract loss carryback, check the box marked “NOL” on years). Step 1, Line F, and indicate the date the IRS accepted your carryback deduction. This will usually be the date on which the IRS issued your How long do I have to amend my return? refund check. You must file Form IL-1040-X within 2 years plus 120 The amount of time you have to amend your return depends on days after that date to be eligible to receive a refund. whether your Form IL-1040-X is being filed due to a state change or a Illinois does not allow you to deduct the same NOL twice. To prevent a federal change. double deduction of your NOL when you have any NOL remaining to State change only – If your change decreases the tax due to Illinois carry to a later year, your deduction for a tax year cannot be greater and you want a refund, you must file an amended return (claim for than the federal NOL available for deduction in that year minus the refund) within federal NOL available to carry to later years. This is the lesser of the three years after the extended due date, loss available in the year or the amount reported as “modified taxable three years after the date your original return was filed, or income” on federal Form 1045, Application for Tentative Refund, one year after the date your Illinois tax was paid, Schedule B, Line 9. whichever is latest. For an NOL carryback, attach a copy of your federal Form 1045 Schedule B. The refund allowed on a claim filed within three years after If you are a resident in the year you are allowed a federal NOL the original return was filed is limited to the total of all payments made within three years and six months prior to the filing of the refund claim. deduction, Illinois allows you to deduct the entire amount even if you were not a resident in the year the loss occurred. If you are a If your change increases the tax you owe to Illinois, you should file a nonresident or part-year resident in the year you are allowed the federal Form IL-1040-X and pay the tax, penalty, and interest as soon as you NOL deduction, see the instructions for Step 3, Line 19, of Illinois Schedule realize that it is owed. NR, Nonresident and Part-Year Resident Computation of Illinois Tax. Federal change (including NOLs and net section 1256 contracts Example: In tax year 2022, Paul Taxpayer, a nonresident individual, losses) – If your federal change decreases your Illinois tax, and you has $20,000 in federal net losses from Partnership A and $180,000 want a refund, you must file an amended return (claim for refund) in net losses from Partnership B. He has $100,000 in income from within two years plus 120 days of federal finalization. other sources, so his AGI for 2022 is a net operating loss of $100,000. If your federal change resulted in an overpayment or if you Federally, Paul Taxpayer carries the entire $100,000 loss back to claimed a net operating loss (NOL) carryback, you should not file 2020. this form until you receive a federal finalization notification from the Ten percent of the $100,000 net operating loss deduction for 2020 is IRS stating that they have accepted your change either by paying a attributable to Partnership A (Partnership A’s $20,000 loss in 2022 is refund or by final assessment, agreement, or judgment. divided by the $200,000 in total losses incurred from partnerships in If your federal change increases your Illinois tax, you must file a 2022) and 90 percent of the net operating loss deduction is attributable Form IL-1040-X and pay any additional tax within 120 days of the to Partnership B. See the Schedule NR Instructions for Step 3, federal finalization date (the date you filed your federal Form 1040-X and Line 19, to determine the amount of each partnership’s net operating paid the tax due), or you may be assessed a late-payment penalty. loss deduction amount that is allocated or apportioned to Illinois. Any Form IL-1040-X filed prior to the automatic extension For a net IRS section 1256 contracts loss carryback, your deduction for date will be considered a “corrected” rather than an amended return a tax year cannot be greater than the loss amount on Line 1 of the US and any penalties and interest may be refigured. 6781 for the carryback year, and the allowable loss amount cannot be IL-1040-X Instructions (R-12/22) Printed by authority of the state of Illinois, electronic only, one copy. Page 1 of 5 |
Enlarge image | greater than the gain listed on Line 1 of US 6781 for the carryback year. What must I attach to my Form IL-1040-X? For a net section 1256 contracts loss carryback, attach a copy of your If you are filing Form IL-1040-X because federal Form 6781, Gains and Losses From Section 1256 Contracts you filed a federal Form 1040X to report a federal change other and Straddles for the carryback year. than an NOL carryback, you must include a copy of that form and proof of federal finalization. What should I attach to Form IL-1040-X when If your federal change resulted in an overpayment, proof of federal claiming an NOL or IRS net section 1256 finalization includes a copy of the notification you received from contracts loss? the IRS stating that they accepted the changes shown on your In order to support a refund claimed as a result of a finalized federal federal Form 1040X; e.g., a refund check, “Statement of Account,” NOL or IRS net section 1256 contracts loss carryback, you must agreement, or judgment. attach the following information: If your federal change resulted in a balance due, proof of federal a copy of your federal Form 1040X, Amended U.S. Individual finalization includes a copy of your federal Form 1040X and a Income Tax Return, or federal Form 1045, and copy of the check you sent to the IRS to pay the tax due. a copy of any refund check and any other notification you received If you do not have a copy of this notification, please contact the from the IRS indicating acceptance of the changes shown on your IRS to request a tax account transcript. federal Form 1040X or federal Form 1045, and of a change made by the IRS, you must include copies of all the a copy of your federal Form 1045 Schedule B for an NOL federal examining officer’s reports, including preliminary, revised, carryback (or pro forma if this was not filed federally), or corrected, and superseding reports. a copy of your federal Form 6781 for a IRS net section 1256 of any other changes, see the instructions for Form IL-1040 and contracts loss carryback. any schedules to see what to attach. For an NOL carryback, you must complete and attach If the change you are making requires a supporting federal Form 1045 Schedule B, even if you did not file a federal Form schedule or form, you must attach it to your Form IL-1040-X. Without 1045 for this year. proper attachments, we may partially or totally deny your claim. In addition, if you were a nonresident or part-year resident of Illinois Keep all state and federal forms with your tax records. You in the carryback year, you must also attach must send us additional information if we request it. copies of the federal Form 1040 or 1040-SR, Pages 1 and 2, and What if my claim is denied? federal Schedules 1, C, E, and F filed for the loss year. Include If we deny your refund claim by a written notice of denial, you may supporting information that identifies the partnerships and S file a written protest within 60 days and request a hearing. If you do corporations (names and FEINs) whose losses are included in not hear from us within six months after you have filed your claim, Schedules C, E, and F and the amount of loss incurred by each you may file a written protest at any time and request a hearing. entity. copies of Schedule K-1-P, Partner’s or Shareholder’s Share What if I need additional forms or schedules? of Income, Deductions, Credits, and Recapture, or other If you need additional forms or schedules, documentation for the carryback year for each partnership or S visit our website at tax.illinois.gov or corporation through which you incurred an NOL in the loss year write to us at Illinois Department of Revenue, P.O. Box 19010, and that identifies each entity’s apportionment formula for the Springfield, Illinois 62794-9010. carryback year. If you fail to attach the required information to your Form IL-1040-X, What if I need additional assistance or forms? your refund may be delayed or denied. Visit our website at tax.illinois.gov for assistance, forms or What is my exemption allowance? schedules. You may generally claim a $2,425 exemption for yourself and each of Write us at Illinois Department of Revenue, P.O. Box 19001, your dependents. The additional exemption allowance for taxpayers Springfield, Illinois 62794-9001. and their spouses who are 65 years of age or older or who are legally Call 1 800 732-8866 or 217 782-3336 (TDD, telecommunications blind is $1,000. See the Form IL-1040 Instructions for details. device for the deaf, at 1 800 544-5304). The standard exemption allowance may not be claimed in Visit a taxpayer assistance office - 8:00 a.m. to 5:00 p.m. Step 4 if a taxpayer’s federal AGI exceeds $500,000 for returns with (Springfield office) and 8:30 a.m. to 5:00 p.m. (all other offices), a federal filing status of married filing jointly, or $250,000 for all other Monday through Friday. returns. Step–by–Step Instructions You must file a separate Form IL-1040-X for each year you If your Social Security number is different on this return, include the are amending. Social Security number from your previously filed return in Line I. Line C – Check the box to indicate your filing status. If your filing Step 1: Personal information status is different from your previously filed return, explain your Line A – Enter your name(s), year(s) of birth, Social Security change in Step 11, Line D. number(s), current address, and email address. Include your Illinois In general, most taxpayers should use the same filing status as on county if you were an Illinois resident during the year. their federal return. However, Do not redact SSN(s) as this can cause processing delays. if you are married, you filed a joint federal return, and you are an injured spouse (your spouse owes a liability, for which Email address is requested per legislation and will not be you are not responsible, to a government agency), you should used for correspondence. file separate Illinois returns using the “married filing separately” Line B – Check the box if your Social Security number(s), name(s), filing status. If you choose to file a joint Illinois return, we may or address are different on this return than on any previously filed return. take the entire refund to pay your spouse’s liability. Page 2 of 5 IL-1040-X Instructions (R-12/22) |
Enlarge image | If you did not make this election on your original Form Line 7 – If you claimed other subtractions from Schedule M on your IL-1040, you may file Form IL-1040-X to make this previously filed return or if you are filing Form IL-1040-X because election only if the extended due date of the return has not you qualified for a subtraction but did not previously claim it, you passed. If you made this election on your original Form IL-1040, must correct or complete Schedule M and attach it to your Form you may file Form IL-1040-X to revoke this election only if the IL-1040-X. extended due date of the return has not passed. Once the Lines 8 and 9 – Follow the instructions on the form. election is made and the extended due date has passed, it is irrevocable for the tax year. Do not recalculate any items on your Step 4: Exemptions – Line 10 federal return. Instead, you must divide each item of income and Income Exceptions deduction shown on your joint federal return between • If your federal federal filing status is married filing jointly and your your separate Illinois returns following the Allocation Worksheet in federal AGI is greater than $500,000, you are not entitled to an the Form IL-1040 Instructions. exemption allowance on Line 10. Enter “zero” on Line 10. if either you or your spouse is an Illinois resident and the • If your federal federal filing status is single, head of household, married other is a part-year resident or nonresident (e.g., military filing separately, or widowed and your federal AGI on Line 1 personnel), and you elect to file a joint return, you will is greater than $250,000, you are not entitled to an exemption both be treated as residents. If you originally filed a joint allowance on Line 10. Enter “zero” on Line 10. return, but did not treat both yourself and your spouse as Illinois residents, you must correct that error by either filing a Line 10a – See chart to figure your exemption amount for this line. joint Form IL-1040-X treating yourselves as Illinois residents or Filing Status Did you Base Exemption by filing separate IL-1040-X forms, even if the extended due date check either income from Amount - has passed. If you file separate IL-1040-X forms, do not box on Step Line 9 or enter this recalculate any items on your federal return. Instead, you must divide each item of income and deduction shown 1, Line D? Schedule amount on on your joint federal return between your separate Illinois returns NR, Line 46 Step 4, Line following the Allocation Worksheet in the Form IL-1040 10a: Instructions. Any spouse filing as a nonresident or part-year Single* No **any amount $2,425 resident must also attach a completed Schedule NR. Line D – Check the corresponding box if someone else can claim you or Single* Yes $2,425 or $2,425 your spouse as a dependent. below Line E – Check the corresponding box if you or your spouse were a nonresident or part-year resident of Illinois. Single* Yes $2,426 or $0 greater Steps 2 through 11 Married filing No **any amount $4,850 If you filed Schedule CR, Schedule NR, Schedule ICR, or Schedule jointly IL-E/EIC, with your original Form IL-1040 or previously filed Form IL-1040-X, you must complete and attach corrected schedules to your Married filing Yes - only $2,425 or $4,850 Form IL-1040-X. For each change you make, you must provide an jointly one below explanation in Step 11, Line D. Married filing Yes - only $2,426 or $2,425 Step 2: Income – Lines 1 through 4 jointly one greater Line 1 – If your AGI is changing due to a federal change, you must Married filing Yes - both $4,850 or $4,850 attach proof of federal finalization. jointly below If you are changing Line 1 to take an NOL or net section Married filing Yes - both $4,851 or $0 1256 contracts loss deduction, see “General Information” in these instructions for additional details. jointly greater *Single filing status includes Head of Household, Widowed, and Line 2 – If you are changing the amount on this line, see the Form Married filing separately. IL-1040 Instructions. **See Income Exceptions. Line 3 – You must provide an explanation in Step 11, Line D, if this is a change to your previously filed return. Line 10b – If you (or your spouse if married filing jointly) were 65 or older, enter the total number of exemptions, as corrected. Complete Schedule M, Other Additions and Subtractions for Individuals, and enter the total addition amount from Schedule M. Line 10c – If you (or your spouse if married filing jointly) were legally blind, enter the total number of exemptions, as corrected. Step 3: Base Income – Lines 5 through 9 Line 10d – If you are claiming dependents, complete Schedule Any changes that you make to the subtractions on Lines 5 through IL-E/EIC, and enter the amount from Step 2, Line 1, on Line 10d, as 7 require corrected support for that line. You must also provide an corrected. explanation in Step 11, Line D, if this is a change to your previously filed return. Schedule IL-E/EIC. Line 5 – Enter the corrected amount of federally taxed Social Security If you change the number of your exemptions, you must explain the and retirement income included in your AGI on Line 1 of your Form reason, in detail, in Step 11, Line D. IL-1040-X. Attach federal Form 1040 or 1040-SR, Page 1 with See the Form IL-1040 Instructions for more information. amended figures and any W-2 and 1099 forms. Line 6 – Enter the corrected amount of any Illinois Income Tax If you are changing Line 10 due to a federal change, you must attach proof of federal finalization. Attach a copy of your original federal overpayment reported as income on your federal Form 1040 or 1040- return or amended federal Form 1040X that supports the exemption SR, Schedule 1, Line 1. Do not include other states’ refunds on this change. line. Attach federal Form 1040 or 1040-SR, Page 1, and Schedule 1 with amended figures. IL-1040-X Instructions (R-12/22) Page 3 of 5 |
Enlarge image | Step 5: Net Income and tax – Lines 11 - 14 Line 22 – If you are changing the amount on this line, see the Form IL-1040 Instructions. Line 11 – Residents: Figure your net income by subtracting Line 10 from Line 9, and enter the result. This line may not be less than Line 23 and 24 – Follow the instructions on the form. zero. Step 8: Payments and Refundable Credit – Lines Nonresidents and part-year residents: First, check the box in Step 1, Line E, to identify whether you were a nonresident or a 25 through 31 part-year resident of Illinois during 2022. Line 25 – If the amount of your Illinois Income Tax withheld changes from your previously filed return, complete a corrected Schedule Next, enter the amount from Schedule NR, Line 51, on Line 11. This IL-WIT. line may not be less than zero. Schedule IL-WIT and copies of all W-2 and 1099 forms. Schedule NR Line 12 – Residents: Multiply your net income on Line 11 by 4.95% Line 26 – Enter the total of estimated tax payments you made with (.0495). Form IL-1040-ES, payments made with Form IL-505-I, and any overpayment applied to your 2022 estimated tax from a prior year Nonresidents and part-year residents: Enter the corrected tax return. from Schedule NR, Step 5, Line 52. Line 27 – Enter the amount of pass-through withholding (income tax Line 13 – If you are recapturing investment credits, enter the amount paid) made on your behalf by a partnership, S corporation, or trust. from Schedule 4255, Recapture of Investment Tax Credits. Attach Schedule 4255 with amended figures. Schedule K-1-P or Schedule K-1-T, Beneficiary’s Share of Line 14 – Follow the instructions on the form. Cannot be less than Income and Deductions, if payments were made on your behalf but zero. Line 15 – Follow the instructions on the form. you did not previously claim them. Attach corrected Schedule K-1-P or Schedule K-1-T, if you are amending the amount of previously Step 6: Tax – Lines 15 through 19 claimed credit. Line 15 – If you claimed a credit for tax paid to other states on your Line 28 – Enter the total share of pass-through entity tax credit previously filed return or if you are filing Form IL-1040-X because you passed through to you shown on Schedule K-1-P or Schedule K-1-T qualified for this credit but did not previously claim it, you must correct for this tax year. or complete Schedule CR. Schedule K-1-P or Schedule K-1-T, if a pass-through entity Schedule CR tax credit was passed through to you but you did not previously claim it. Attach corrected Schedule K-1-P or Schedule K-1-T if you are Line 16 – If you claimed a property tax credit or a K-12 education amending the amount of previously claimed credit. expense credit from Schedule ICR on your previously filed return, or if you are filing Form IL-1040-X because you qualified for the credit Line 29 – If you claimed an Earned Income Credit (EIC) on your but did not previously claim it, you must correct or complete Schedule previously filed return or if you are filing Form IL-1040-X because ICR. you qualified for this credit but did not previously claim it, you must correct or complete Schedule IL-E/EIC and attach it to your Schedule ICR Form IL-1040-X. If you are changing Line 29 due to a federal change, you must attach proof of federal finalization. If your federal federal filing status is married filing jointly and your federal AGI is greater than $500,000, you are not entitled to a Schedule IL-E/EIC property tax credit or a K-12 education expense credit. Line 30 – If you made tax payments with your Form IL-1040, a If your federal federal filing status is single, head of household, previously filed Form IL-1040-X, or for any other reason (i.e., paying married filing separately, or widowed and your federal AGI is greater your electronic return balance due, responding to a notice or a than $250,000, you are not entitled to a property tax credit or a K-12 bill, or an amount was collected from you), enter the total of all tax education expense credit. payments made. Do not include any penalty or interest you paid. Line 17 – If you claimed a credit from Schedule 1299-C, Income Line 31 – Follow the instructions on the form. Tax Subtractions and Credits (for individuals), on your previously filed return or if you are filing Form IL-1040-X because you qualified Step 9: Corrected Total Overpayment or for this credit but did not previously claim it, you must correct or Underpayment - Lines 32 and 33 complete Schedule 1299-C. Lines 32 and 33 – Follow the instructions on the form. Schedule 1299-C Step 10: Adjusted Refund or Amount You Owe - Lines 34 through 38 Lines 18 and 19 – Follow the instructions on the form. Line 34 – Enter the overpayment, if any, from your original Form A change in your tax may result in a change to the credits IL-1040, Line 31, or the adjusted overpayment amount reported to allowed on Lines 15, 16, and 17. you by the department. Line 35 – Follow the instructions on the form. Step 7: Other Taxes – Lines 20 through 23 Line 36 – Enter the amount from Line 35 you want refunded to you Line 20 – If you are changing the amount on this line, see the Form and check the box for how you would like to receive your refund. We IL-1040 Instructions. will figure any interest due to you and include it in your refund. Line 21 – Enter the amount of Illinois Use Tax you reported on your If you want to deposit your refund directly into your Form IL-1040. checking or savings account, check the direct deposit box and complete the direct deposit information. You may not change the amount of use tax reported on your original Form IL-1040 on Form IL-1040-X. We will not refund any amount less than $1. We will reduce any overpayment by the amount of any outstanding tax, penalties, Page 4 of 5 IL-1040-X Instructions (R-12/22) |
Enlarge image | and interest you owe and by amounts you owe to other agencies or a bad check penalty if your remittance is not honored by your governments, if those debts have been certified to us. financial institution. Line 37 – Subtract Line 36 from Line 35. This is the amount of a cost of collection fee if you do not pay the amount you owe overpayment you elect to be applied against your estimated tax within 30 days of the date printed on any bill we send you. obligation. interest on unpaid tax from the day after the original due If you elect to apply your overpayment against your estimated tax date of your return through the date you pay the tax. obligation, see Form IL-1040 Instructions for more information. If you received interest on the refund from your original If your overpayment accrues interest and you elect to Form IL-1040 or a previously filed amended return and you file an apply your entire overpayment against your estimated tax, any amended return that either reduces the original refund amount or interest you accrue will also be applied against your estimated tax. results in a balance due, you must pay back the interest on the We will calculate the amount of interest and notify you. portion of the refund that you received in error. receive a portion of your overpayment as a refund and apply the remainder of your overpayment against your estimated tax, any Step 11 – Amended Information interest you accrue will be included with your refund. Line A – Check the box that describes your change. The date needed for We will reduce any credit to your estimated tax by the federal changes that resulted in an overpayment is the date you amount of any outstanding tax, penalties, and interest you owe. If received a federal finalization notice from the IRS stating that they your credit is reduced, you may owe a late-payment penalty for have accepted your change either by paying a refund or by final underpayment of estimated tax. For more information, see assessment, agreement, or judgment, not the date you filed your Form IL-1040-ES. federal Form 1040X. Line 38 – If you have an amount on Line 32 and this amount is less federal changes that resulted in a tax increase is the date you filed than Line 34, subtract Line 32 from Line 34 or if you have an amount your federal Form 1040X and paid the tax due. Failure to provide on Line 33, add Lines 33 and 34. This is the amount of tax you owe. this date could result in an assessment of a late-payment penalty. We encourage you to pay electronically using MyTax Illinois. Lines B through D – Follow the instructions on the form. If you file If you do not elect to pay electronically, complete the 2022 Form IL-1040-X, Lines B through D must be completed. Failure to IL-1040-X-V, Payment Voucher for Amended Individual Income complete these lines may result in a delay in the processing of your Tax, and staple it, along with your payment, to the front of your return. Form IL-1040-X. Step 12 – Sign and Date, Paid Preparer, and Third We will figure the amount of any penalties and interest you owe, and send you a bill for any amount due. However, if you prefer, you Party Designee may figure the penalties and interest you owe yourself. For more Sign and date information, see Publication 103, Penalties and Interest for Illinois Taxes, on our website at tax.illinois.gov. You, and your spouse if filing jointly, must sign and date your return. If you are filing for a minor as a parent or guardian, you must sign the Penalties and Interest return. Staple all required copies of forms and schedules, powers of The following penalties must be paid unless you can show that the attorney, and letters of estate or office to the back of the return. failure to timely file or pay is due to reasonable cause and not due to willful neglect. Paid preparer You may owe If you pay someone to prepare your return, the paid preparer must a late-filing penalty if you do not file a processable return by the also sign and date your return, provide a phone number, and enter extended due date. their Preparer Tax Identification Number (PTIN) issued by the IRS. Check the box if the paid preparer is self-employed. If the paid Changes resulting from a net operating loss (NOL), net preparer is employed with a professional tax preparation firm, the section 1256 contracts loss, or capital loss carryback will not affect paid preparer also must provide the name, the Federal Employer this penalty. Identification Number (FEIN), the address, and phone number of the a late-payment penalty for unpaid tax if you do not pay the tax firm. you owe on time. If you file an amended return before the extended due Third party designee (optional) date, this penalty will be adjusted based on the newly reported If you want to allow another person to discuss this return and any tax. Also, tax required to be shown on the return that was not previous return that affects the liability reported on this return with us, previously reported is subject to this penalty if not paid by the check the box and print the designee’s name and telephone number. original due date of the return. Changes resulting from a net The authorization will allow your designee to answer any questions operating loss (NOL), net section 1256 contracts loss, or capital that arise during the processing of your return, call us with questions loss carryback will not affect this penalty. about your return, and receive or respond to notices we send. You may revoke the authorization at any time by calling or writing us. If you are filing to report a federal change, this penalty will not be assessed if you file Form IL-1040-X and pay the tax you owe within 120 days of the federal acceptance date shown in Step 1, Line F. Mailing your Form IL-1040-X a late-payment penalty for underpayment of estimated tax if you were required to make estimated tax payments and failed to Mail your return to: do so, or failed to pay the required amount by the payment due date. ILLINOIS DEPARTMENT OF REVENUE If you file an amended return before the extended due PO BOX 19047 date, this penalty will be adjusted based on the newly reported SPRINGFIELD IL 62794-9047 tax. In most cases, if you file an amended return after the extended due date, any penalty for late payment of estimated tax will remain as originally assessed. IL-1040-X Instructions (R-12/22) Page 5 of 5 |