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147C letter

The IRS's confirmation of an existing EIN, issued on request by fax or post, and the usual replacement when the original CP 575 is lost.

The short answer, then the detailChecked September 2026

The detail

What it means in practice.

You request a 147C letter by phone, from the IRS Business and Specialty Tax Line or, from abroad, the international line, as the responsible party or someone authorised to act for the company. The IRS sends it by fax or post. It confirms the EIN and the company's name and address, and it's accepted almost everywhere the CP 575 is.

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It takes about four minutes. You see the whole order, state fee included, before anything is charged.

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