IRS Employer Identification Number (EIN) / State Sales Tax Nexus
US Business Licenses, State Sales Tax & EIN Guide 2026
Complete guide to registering for an IRS EIN (SS-4), municipal general business licenses, state sales tax nexus permits (South Dakota v. Wayfair $100k threshold), and BOI FinCEN beneficial ownership reporting.
Frequently Asked Questions (FAQ)
No. Foreign founders can obtain an IRS EIN without a Social Security Number (SSN) or ITIN by submitting IRS Form SS-4 via phone, fax, or mail.