This Schedule C Form 1116 guide explains the IRS Foreign Tax Redeterminations. Schedule C for Form 1116 reports foreign tax redetermination information and the related U.S. tax consequences required by the instructions. A later foreign refund, assessment or other change may affect an earlier credit calculation or a carryover. The affected tax year must remain identifiable.
Reviewed October 31, 2026. This is an independent guide. The version and availability information below identifies the IRS documents used for this page.
What Schedule C Form 1116 does and who prepares it
A taxpayer uses the schedule for the foreign tax redeterminations covered by its instructions.
For the connected reporting route, see Form 1116. Keep the role of that document separate from the task explained on this page.
| Official form | Form 1116 (Schedule C) |
|---|---|
| IRS title | Foreign Tax Redeterminations |
| Guide period | the applicable reporting period |
| Target version | Dec 2025 |
| Availability | Current IRS catalog PDF |
| Last checked | October 31, 2026 |
Get the Schedule C Form 1116 PDF and check its status
Use the IRS source to confirm the document before completing a real filing. The download link is a reference to the official file; it is not a statement that every copy inside the PDF may be printed and submitted. Follow any instructions about electronic filing, scannable copies, recipient copies or attachments.
Which version of Schedule C Form 1116 should you use?
This form follows a revision or continuing-use format rather than a new title for every calendar year. Check the revision printed on the document and the period requested inside it. A revision date, transaction date and tax year are different pieces of information. The current document should be read with the instructions that apply to the actual transaction or return.
Records to gather for Schedule C Form 1116
- Foreign assessment or refund notices.
- Original credit calculations.
- Affected-year returns.
- Payment and currency records.
- Revised carryover worksheets.
Keep a working reconciliation with these records. It should show the source of each reported item, any correction made before filing and the reason a different amount appears on a connected form. This is especially useful when a statement is corrected or a prior-year balance continues into the current calculation.
How to work through Schedule C Form 1116
- Confirm applicability. Start with the purpose, filer category and version of the form. Complete any eligibility or applicability question before spending time on the numerical calculation.
- Prepare the source workpapers. Gather the records listed below and reconcile their totals. Keep prior-year balances, current-year transactions and estimated payments separate where they serve different purposes.
- Complete dependent calculations first. When a line refers to another form, schedule or worksheet, finish that supporting calculation first. Preserve any classification, limitation and carryforward information.
- Follow the line sequence. Use the actual line labels and arithmetic in the applicable form. A line number from an older version may refer to something different after a revision.
- Reconcile the filing package. Check names, identifying numbers, tax periods, totals and required attachments. Then use the filing method, signature process and deadline that apply to this filer and form.
Form-specific IRS instructions and reporting details
The following points retain the operative wording of the IRS documents linked above. Read each point with its stated conditions and the applicable form version. References to another form or section describe a connected requirement; they do not mean that every reader must file every referenced document.
What’s New Schedule C has been revised. In Part V, previous column 9 has been split into the following two columns. • Column 9 requests tax refunded, if any. • Column 10 requests additional tax paid, if any.
General Instructions Continuous-use. Use the December 2025 revision of Schedule C and these instructions for tax year 2025 and subsequent years until a superseding revision is issued.
Schedule C (Form 1116) is used to identify foreign tax redeterminations that occur in the current tax year in each separate category, the years to which they relate, and other information that satisfies your obligation to notify the IRS of foreign tax redeterminations that occurred in the current year that relate to prior years. Use Part I to report foreign income tax redeterminations that resulted in an increase in the amount of foreign income taxes accrued and paid by the taxpayer.
Additional reporting conditions
Note: If you claim a credit for foreign income taxes on the cash basis method of accounting (you checked the box for “Paid” on Form 1116, Part II), and you pay additional foreign income taxes that relate to a prior tax year, that isn’t a foreign tax redetermination. You don’t report those additional foreign income taxes paid in Part I of Schedule C. You report those as foreign income taxes paid on Form 1116, Part II, filed for the tax year in which you paid the additional foreign income taxes.
For contested foreign income taxes for which you want to claim a provisional credit, you also need to file Form 7204, Consent To Extend the Time To Assess Tax Related to Contested Foreign Income Taxes—Provisional Foreign Tax Credit Agreement, and report those additional foreign income taxes paid in Part V of Schedule C. See Part V, later. Use Part II to report foreign tax redeterminations that resulted in a decrease in the amount of foreign income taxes paid or accrued by the taxpayer.
Calculations and supporting information
Use Part III to report foreign tax redeterminations that resulted in a change in the amount of foreign income taxes paid or accrued in any relation back year. Use Part IV to report foreign tax redeterminations that resulted in a change in the U.S. tax liability for any relation back year or other affected tax year(s) (for example, by reason of a change in allowable foreign tax credit carryovers).
Use Part V to satisfy the annual reporting requirement under Regulations section 1.905-1(d)(4)(iv) for contested foreign income taxes for which the taxpayer claimed a provisional foreign tax credit. For each tax year following the year in which a provisional foreign tax credit election is made on Form 7204, up to and including the tax year in which the contest is resolved, the taxpayer must provide the information requested in Part V.
Exceptions and related reporting
Any taxpayer that has a foreign tax redetermination under section 905(c) must complete this schedule and attach it to the U.S. income tax return for the tax year in which the foreign tax redetermination occurs. This schedule must be filed irrespective of whether the foreign tax redetermination changed your U.S. tax liability.
Note: If your U.S. tax liability for any year changes by reason of the foreign tax redetermination, you must file an amended return for the tax year with respect to which the U.S. tax liability is adjusted, in addition to filing Schedule C for the year in which the foreign tax redetermination occurs. See Foreign Tax Redeterminations in the regarding foreign tax redeterminations that result in a change in U.S. tax liability and the related reporting requirements.
If a foreign tax redetermination doesn’t change the amount of U.S. tax due for any tax year, you don’t need to file an amended return. You satisfy your reporting requirements under Regulations section 1.905-4(b)(1)(v) with respect to the foreign tax redetermination by filing a Schedule C with the return for the tax year in which the foreign tax redetermination occurs.
Further form details
Specific Instructions Important: All information reported on Schedule C must be in English. All amounts must be stated in U.S. dollars, unless otherwise specified on the schedule. If there are more than three payor entities for a relation back year, attach a statement that lists all information requested on Schedule C for those payor entities following the format of Schedule C.
If there are more than 2 relation back years (Parts I, II, III, or IV), there are other affected years in addition to the relation back years (Part IV), or more than 5 relation back years (Part V), attach a statement that lists all information requested on Schedule C for those years following the format of Schedule C. Checkboxes at top of page 1. Use a separate Schedule C for each applicable category of income and check the corresponding box. Check only one box for each completed Schedule C.
See Categories of Income in the Instructions for Form 1116 for additional information regarding separate categories. For country codes on lines (h) and (i), see IRS.gov/CountryCodes for the code to use. Parts I, II, III, and IV, column 1. In this column, enter the ending date of the relation back year or affected year (Part IV).
Further form details
Note: Under section 905(c)(2), if accrued foreign income taxes aren’t paid on or before the date that is 24 months after the close of the tax year to which they relate (2-year rule), there is a resulting foreign tax redetermination that is accounted for as if the unpaid portion of the foreign income taxes were refunded on that date. Credit may be claimed for those taxes if and when they are ultimately paid.
Foreign income taxes that first accrue after the date 24 months after the close of the tax year to which the taxes relate may not be claimed as a credit until paid.
Part III Columns 2 and 3. Enter the redetermined foreign income taxes paid or accrued and the foreign income taxes paid or accrued per your original or previously amended return. Columns 4 and 5. Enter the total amount of foreign tax credit claimed in the separate category on your original or previously amended return and the total amount of foreign tax credit claimed after the foreign tax redetermination.
A practical example
A foreign tax authority later changes an assessed amount. The taxpayer compares that change with the original U.S. foreign tax credit treatment and determines the notification, correction and carryover steps required by the applicable instructions.
This example illustrates the order of the review. It does not assume an unverified deduction, exemption, treaty rate or final tax amount. The applicable form instructions and the actual records determine the result.
Common mistakes to avoid with Schedule C Form 1116
- Do not treat every later foreign payment as an unrelated current-year credit.
- Identify the affected earlier tax year.
- Reconcile the redetermination with any required U.S. return correction and carryover changes.
Questions about Schedule C Form 1116
Does receiving or downloading this form mean I must file it?
A taxpayer uses the schedule for the foreign tax redeterminations covered by its instructions. The form purpose and the applicable filing or furnishing conditions determine the action. Downloading a blank PDF does not itself create a filing obligation or establish eligibility for a tax benefit.
Is the revision date always the same as the tax year?
No. Some forms show a tax year, while continuing-use forms show a revision date and ask separately for the reporting period. Check the actual document and instructions. Do not relabel a payment or transaction solely because it was reported in a later calendar year.
What should I do if the underlying information is wrong?
Do not treat every later foreign payment as an unrelated current-year credit. Keep the original record and the correction trail. The issuer correction process, an amended return and an updated certificate can be different procedures. Choose the process that matches the document and the actual error.
Which records should I keep with the completed form?
Retain the source documents, applicable worksheets, submitted version and filing or furnishing confirmations. For this form, the working file should include foreign assessment or refund notices, original credit calculations, affected-year returns. Keep continuing balances and prior-year support for as long as they remain relevant under the applicable recordkeeping rules.
Related forms and next steps
Use these guides when the connected issue applies to your records. Each page has its own purpose, reporting year and availability status.