Understanding Form CP-575: Key Information

Form CP-575 is an official document issued by the Internal Revenue Service (IRS) to confirm that an Employer Identification Number (EIN) has been allocated to you or your business. This EIN, also known as a Federal Employer Identification Number (FEIN), is essential for various tax-related responsibilities, including the filing of federal tax forms such as Form 941, Form 940, and Form 1120.


In cases where the CP-575 form is not received, a duplicate form known as Form 147C may be sent as a replacement. Both these documents serve as valid proof of your EIN and can be used for completing your federal tax forms.

Key Components of Form CP-575:

  • Employer Identification Number (EIN): A nine-digit identifier required for filing federal payroll taxes.
  • Business Name: The official name under which your business is registered.
  • Business Mailing Address: The formal mailing address associated with your business.
  • Federal Tax Form Obligations: The document specifies which federal tax forms your company is obligated to file.

Both the CP-575 and the 147C forms confirm the establishment of a business entity, complete with an official company name, an EIN, and the name of the owner. Due to the importance of the information contained within these documents, it is advisable to store them in a secure location.


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