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Forms Forms and Instructions |
| Form SS-4 Application for Employer Identification Number |  |
| SS-4 Instructions for Form SS-4, Application for Employer Identification Number |
| Form W-7 Application for IRS Individual Taxpayer Identification Number | |
| W-7 Instructions for Form W-7, Application for IRS Individual Taxpayer Identification Number |
| Form W-9 Request for Taxpayer Identification Number and Certification | |
| W-9 Instructions for the Requestor of Form W-9, Request for Taxpayer Identification Number and Certification |
| Publications |
Related Publications
| Publication 1915 Understanding Your IRS Individual Taxpayer Identification Number (ITIN) |  | |
| Publication 1915 (SP) Understanding Your IRS Individual Taxpayer Identification Number (ITIN) (Spanish Version) | | |
