taxes

Tax Nexus

A connection between a business and a state that creates a tax obligation.

Tax nexus is the minimum connection between a business and a state that triggers tax obligations. Physical nexus arises from having offices, employees, or inventory in a state. Economic nexus (post-Wayfair) arises from exceeding sales thresholds—typically $100,000 in sales or 200 transactions. Nexus determines where you must collect sales tax and file income tax returns.

Example

An online retailer based in Oregon ships $150,000 in products to California customers, creating economic nexus and requiring the retailer to collect and remit California sales tax.

Why It Matters for Your Business

Ignoring nexus obligations in states where you sell can lead to back taxes, penalties, and interest going back years, so monitoring thresholds is essential for growing businesses.

Practical Tips

  • Track sales by state monthly to identify when you're approaching economic nexus thresholds.
  • Use automated tax compliance software to manage multi-state registrations and filings.

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