Form 8993 Section 250 Deduction Guide for NCTI and FDDEI (2025-2026)
Corporate return flow (Form 1120)
How a C corporation reports income and computes its tax.
Determine corporate status
Default for corporations, or via a Form 8832 election.
Prepare Form 1120
Report income, deductions, and credits for the year.
Compute and pay tax
Apply the corporate rate and any estimated-tax payments.
File by the deadline
Submit by the corporate return due date.
Key Takeaways
- For tax-year 2026, Form 8993 is used for section 250 deductions tied to FDDEI and NCTI.
- Domestic corporations use it, and 962-electing individuals may also use it.
- Ordinary individuals do not automatically get a Form 8993 computation just because NCTI (formerly GILTI) exists.
- Taxpayer type is the first control question.
Form 8993 belongs to section 250 deductions, not to every international return
For tax-year 2026, Form 8993 uses FDDEI and NCTI terminology for the former FDII and GILTI section 250 deductions. The FDDEI deduction is 33.34%, the NCTI deduction is 40%, and the QBAI exclusion is repealed. The form is not for ordinary individuals in general; it appears only in specific legal lanes, including qualifying domestic corporations and relevant section 962 cases.
This is why 962 and 8993 often travel together
A founder who has heard that NCTI (formerly GILTI) comes with a section 250 deduction can easily overstate the rule. The deduction mechanics differ depending on who the taxpayer is. For a plain individual with no 962 election, the conversation is not the same as it is for a domestic corporation or a 962-electing individual.
Do not let the form title hide the taxpayer-type question
The practical first question with Form 8993 is not 'Do I have NCTI?' It is 'Am I the kind of taxpayer that actually computes this deduction on Form 8993?' Once that is answered, the rest of the return can be built correctly.
Frequently Asked Questions
Does every individual with NCTI (formerly GILTI) file Form 8993?
No. Current-year Form 8993 rules tie the deduction to domestic corporations and relevant section 962 cases.
Why is Form 8993 linked to section 962 cases?
Because IRS instructions say a 962-electing individual uses Form 8993 to determine the allowable section 250 deduction.
What is the first practical step in a Form 8993 question?
Confirm whether the taxpayer is in a category that actually uses Form 8993 before computing any deduction.
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