- Sales Tax Permit & Business License Guide
- What Is a Seller’s Permit?
- How to Get a Seller’s Permit
- Seller’s Permit Requirements
Browse state-by-state guides for sales tax permits, seller’s permits, resale certificates, and tax ID numbers.
Key Takeaways A sole proprietor can use a Social Security Number for many business tasks, but an EIN is required for employees, most payroll tax filings, and many retirement plans. Even without a legal requirement, an EIN often helps with banking, vendor onboarding, and separating personal and business identity. State tax IDs are separate from
Key Takeaways A sole proprietor can often use an SSN, but an EIN is required in common situations like hiring employees, certain tax filings, or opening some business accounts. Using an EIN can reduce how often you share your SSN on W-9s, invoices, and vendor forms—helpful for privacy and recordkeeping. An EIN does not replace
Browse state-by-state guides for sales tax permits, seller’s permits, resale certificates, and tax ID numbers.