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.
IRS Form 1120 Instructions
Official IRS source on irs.gov
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