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Tax Topics
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| Form SS-4 Application for Employer Identification Number | ![]() |
| SS-4 Instructions for Form SS-4, Application for Employer Identification Number |
| Form W-7A Application for Taxpayer Identification Number for Pending U.S. Adoptions | ![]() |
| Form W-7P Application for Preparer Tax 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 |
| Form 656-A Income Certification for Offer in Compromise Application Fee (For Individual Taxpayer Only) | ![]() |
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| Publication 1915 Understanding Your IRS Individual Taxpayer Identification Number (ITIN) | ![]() |
| Publication 1915 (SP) Understanding Your IRS Individual Taxpayer Identification Number (ITIN) (Spanish Version) | ![]() |