Form 1120 Corporate Tax Return

Where to Find Your LLC EIN: CP 575 147C Letter and SS-4 Explained

2:53Premium Video

Written byLipai WangFounder · IRS-registered tax professional

Key Takeaways

CP 575: original confirmation, issued once
147C: replacement verification, available by phone
Form SS-4 copy: backup documentation
Banks accept either CP 575 or 147C

Three Ways to Verify Your EIN

Three IRS documents contain your EIN: the CP 575 (original confirmation, issued once), the 147C (replacement verification, available anytime by phone), and your Form SS-4 copy (your original application).

Which to Use

Banks prefer the CP 575. If lost, the 147C is an accepted substitute. Your SS-4 copy is a backup. You need at least one of these documents.

Frequently Asked Questions

Which document should I use for a bank account?

Most banks prefer CP 575. If lost, a 147C is an accepted substitute.

form 1120corporate taxforeign-owned LLC

IRS Form 1120 Instructions

Official IRS source on irs.gov

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