How to Enter Your EIN on Form 1120 Step-by-Step Demo
Key Takeaways
- EIN field is upper right of Form 1120 Page 1
- Format: XX-XXXXXXX
- Use entity EIN, not personal SSN/ITIN
Entering Your EIN on Form 1120
The EIN field is in the upper right of Form 1120 Page 1. Enter your nine-digit EIN as XX-XXXXXXX. Use the EIN from your CP 575 or 147C — not your personal SSN or ITIN.
Common Mistakes
Do not enter your personal SSN/ITIN. Do not transpose digits. Double-check the number before submitting.
Frequently Asked Questions
Is the EIN the same on Form 1120 and 5472?
Yes. The same EIN appears on both forms since Form 5472 is filed as an attachment to Form 1120.
IRS Form 1120 Instructions
Official IRS source on irs.gov
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