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Proof of TIN

There are certain requirements that must be met when providing proof of a company’s tax ID number.

Handwritten documents are NOT acceptable.

The following types of documents will be accepted by NatPay:

  • SS4 Form or Letter 147C

  • Filed 941 or 940 Form (Both pages with a signature under Part 5.)

  • Form 8865 or 8821 (Both forms in a printed format and with a signature on the bottom page.)

  • Screenshot of EFTPS Batch Provider Enrollment that displays the legal business name of the company and their EIN or TIN number.

  • An official governmental form that contains the printed FEIN number and the legal business name of the company. If the document requires a signature, it must be signed.