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Form SS-4

The IRS application for an Employer Identification Number, sent by fax or post, or made by phone, when the responsible party has no SSN or ITIN.

The short answer, then the detailChecked September 2026

The detail

What it means in practice.

Form SS-4 asks for the company's legal name, address, responsible party, entity type and reason for applying. If the responsible party has no SSN or ITIN, the IRS's instructions say to write "foreign" or N/A where the number goes, and a single-member LLC checks Other and writes "disregarded entity". We prepare it from your order and file it the day your company exists.

See also

Read next

Guide · 3 minForm SS-4, line by line, for a company with a foreign owner
← PreviousForm 8832 (entity classification election)Every termNext →Form W-8BEN and W-8BEN-E

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