Sales Tax Nexus in North Dakota: What Online Sellers Need to Know

The Short Answer

North Dakota triggers sales tax obligations at $100,000 OR 200 transactions. SST member. The state rate carries some local additions. North Dakota is the state that became the backdrop for Wayfair — before the Supreme Court ruled in South Dakota v. Wayfair, North Dakota (like most states) couldn't enforce economic nexus. That changed in June 2018.

Economic Nexus Threshold

• Dollar threshold: $100,000 in gross receipts from retail sales into North Dakota
• Transaction threshold: 200 or more separate transactions
• Either/Or: Meeting either triggers the obligation
• Effective date: October 1, 2019

Does North Dakota Count Marketplace Sales Toward Your Threshold?

Marketplace facilitators collect and remit on facilitated transactions. Threshold aggregation rules should be confirmed for your situation — Taxero handles this during onboarding.

What Taxable Products Look Like in North Dakota

• Local additions: Cities and counties add rates on top of the state rate — check the North Dakota Office of State Tax Commissioner's rate lookup for your buyer's exact combined rate
• Groceries: Most non-prepared food exempt
• OTC drugs: Exempt
• Clothing: Taxable
• SaaS: North Dakota's SaaS taxability is uncertain — cloud-only software may or may not be taxable. Taxero flags this for software sellers.

How to Register in North Dakota

North Dakota is an SST member:

• SST SSTRS: sstregister.org — preferred path
• Direct: TAP at apps.nd.gov/tax/tap
• Cost: Free

Filing Requirements

Monthly, quarterly, or annual based on liability. Due last day of the following month.

What Happens If You Don't Register

Late filing: 5% per month, maximum 25%. Interest applies.

How Taxero Handles North Dakota

Taxero uses SST registration for North Dakota, tracks both threshold measures, applies local rate data via SST rate files, and manages quarterly filings.

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