Form 1120 Corporate Tax Return

Which U.S. State Was Your LLC Formed In? Form 1120 Filing Requirements

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Written byLipai WangFounder · IRS-registered tax professional

Key Takeaways

Enter the state where your LLC was originally formed
Use the two-letter abbreviation (DE, WY, NM, FL)
Foreign registrations in other states don't change the state of organization

State of Formation on Form 1120

Form 1120 asks which U.S. state your entity was organized in. This is the state where you filed your Articles of Organization — not where you live or where your registered agent is.

Common States

Popular states: Delaware (business-friendly laws), Wyoming (privacy + low fees), New Mexico (no annual report), Florida (no state income tax). Enter the two-letter abbreviation.

Frequently Asked Questions

I used Stripe Atlas — what state?

Enter 'DE' for Delaware. Stripe Atlas forms LLCs in Delaware.

form 1120corporate taxforeign-owned LLC

IRS Form 1120 Instructions

Official IRS source on irs.gov

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