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Tax Topics
|
Forms Forms and Instructions |
Relevant Forms
| 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 | |
| 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 W-9S Request for Student's or Borrower's Taxpayer Identification Number and Certification | |
| Publications |
Related Publications
| Publication 1635 Understanding Your Employer Identification Number (EIN) |  | |
| Publication 1915 Understanding Your IRS Individual Taxpayer Identification Number (ITIN) | | |
| Publication 1915 (SP) Understanding Your IRS Individual Taxpayer Identification Number (ITIN) (Spanish Version) | | |
Links Inside Publications
Publication 334 - Tax Guide for Small Business (For Individuals Who Use Schedule C or C-EZ) - Filing and Paying Business Taxes
Publication 519 - U.S. Tax Guide for Aliens - Identification Number
Publication 583 - Starting a Business and Keeping Records - Identification Numbers
Frequently Asked QuestionsFAQ - Small Business/Self-Employed/Other Business > Entities: Sole Proprietor, Partnership, Limited Liability Company/Partnership (LLC/LLP), Corporation, Subchapter S Corporation
FAQ - Small Business/Self-Employed/Other Business > Form SS-4 & Employer Identification Number (EIN)
FAQ - Small Business/Self-Employed/Other Business > Form SS-4 & Employer Identification Number (EIN)
FAQ - Small Business/Self-Employed/Other Business > Form SS-4 & Employer Identification Number (EIN)
Related Topic Links
Application for Employer Identification NumberFederal Employer Identification NumberIndividual taxpayer identification numberOther taxpayer identification numberPayee's Identification NumberPreparer Tax Identification NumberTaxpayer identification numbers for adopteesUnderstanding Your Employer Identification Number (EIN)