How to Register a DBA
Form Your Business DBA & State Business Licenses
What is an EIN Number?
How to Apply for an EIN/Tax ID Number
EIN/Tax ID Numbers by Entity Type
After Submitting Your EIN Application
General Government Tax ID Information
State Tax ID Numbers
Who Needs an EIN?
Do I Need a New EIN?
Different Names: EIN, Tax ID, FEIN
IRS Tax ID Application Errors