Sales Tax Nexus for Foreign E-Commerce Sellers in the US
- Sabih Shafi E.A

- 42 minutes ago
- 5 min read
Economic nexus — why physical presence isn't required anymore
In today's digital age, e-commerce businesses are expanding their reach globally, often without a physical presence in the countries they serve. For foreign sellers looking to ship products into the United States, one of the most significant changes is the concept of economic nexus. Unlike traditional sales tax rules that require a business to have a physical presence in a state before collecting and remitting sales taxes, economic nexus laws allow states to impose sales tax collection responsibilities based on the volume or value of transactions within their borders.
This shift means that foreign sellers can be required to collect and remit sales tax even if they don’t own property, maintain an office, or have employees in a state. For example, if your business generates over $100,000 in annual sales from customers in California, you may need to register for and start collecting California sales taxes, regardless of whether you have any physical presence there.
As an Enrolled Agent, I often advise clients that understanding economic nexus is crucial because it can significantly impact their financial obligations. Ignoring these requirements could lead to hefty penalties and interest charges from the state tax authorities.

State-by-state threshold basics
Navigating sales tax laws in the United States becomes even more complex when you consider that each state sets its own thresholds for determining economic nexus. While many states use a $100,000 annual sales volume or 200 separate transactions as their trigger points, others have different criteria. For instance, New York requires businesses to collect and remit sales tax if they exceed $35,000 in gross receipts from customers within the state.
Understanding these thresholds is essential for foreign sellers who are shipping products into multiple states because it directly affects when you need to start collecting sales taxes. Failing to meet a specific state's threshold doesn’t mean you can ignore its laws; instead, it means you’re not yet required to collect and remit sales tax until your transactions exceed the established limit.
For example, if you are shipping products into Texas but haven’t surpassed their $500,000 annual sales volume requirement, you don't need to start collecting sales taxes at this time. However, monitoring these thresholds closely is crucial since exceeding them triggers immediate compliance obligations.
Marketplace facilitator laws and what they cover for you
Marketplace facilitator laws are designed to simplify the process of collecting and remitting sales tax for foreign sellers who use platforms like Amazon or eBay to sell their products in the United States. Under these laws, if a marketplace has a physical presence in a state (such as an office or distribution center), it’s responsible for collecting and remitting sales taxes on behalf of its third-party sellers.
This can be particularly beneficial for foreign sellers because they don’t have to worry about managing different tax rates across multiple states. Instead, the marketplace handles all the necessary calculations and filings. However, not every state has adopted this approach; some still require individual sellers to handle their own sales tax compliance even if using a marketplace platform.
For instance, California's marketplace facilitator law means that if you sell through Amazon in California, Amazon will collect and remit the appropriate sales taxes on your behalf. This can significantly ease the administrative burden for foreign sellers who might otherwise struggle with navigating complex state-by-state tax laws.
Registering for sales tax as a non-resident-owned LLC
When setting up a U.S.-based Limited Liability Company (LLC) to conduct business or receive payments in the United States, one of the first steps is registering for any applicable taxes, including sales tax. As a foreign seller with no Social Security Number or Individual Taxpayer Identification Number (ITIN), you’ll need to obtain an Employer Identification Number (EIN) from the IRS before proceeding.
Once your EIN is secured, you can then register for state-level sales tax accounts in states where you meet economic nexus requirements. This process typically involves filling out a simple application form on each state’s Department of Revenue website and providing basic information about your business, such as its name, address, and the nature of its operations.
For example, if you’ve established an LLC in Delaware but are selling products into New York State, you would need to register for a sales tax account with both the Delaware Division of Revenue and the New York Department of Taxation and Finance. Remember that each state has unique registration processes, so it’s important to consult their specific guidelines.
Common exposure points for dropshippers and FBA sellers
Dropshipper and Fulfillment by Amazon (FBA) sellers face particular challenges when it comes to sales tax nexus compliance because they often don’t maintain inventory in the traditional sense. However, these business models still generate transactions that can trigger economic nexus requirements in multiple states.
For instance, if you’re a dropshipper who sources products from suppliers and ships them directly to customers across various U.S. states, your transaction volume could easily exceed state thresholds for sales tax collection. Similarly, FBA sellers who store inventory with Amazon’s fulfillment centers are subject to marketplace facilitator laws in states where Amazon has physical locations.
Both models require careful monitoring of sales volumes and a proactive approach to registering for and collecting applicable taxes as soon as you meet the economic nexus criteria. Ignoring these requirements can lead to significant penalties, so it’s crucial to stay informed about your obligations and take action accordingly.
Building compliance in from day one
Starting a U.S.-based business with an eye towards sales tax compliance is critical for long-term success and avoiding costly mistakes down the line. As you establish your LLC and begin selling products into the United States, it's important to build a robust compliance framework right from the start.
This involves not only understanding economic nexus laws but also staying ahead of changes in state regulations and marketplace facilitator requirements. Regularly reviewing sales volumes against each state’s threshold can help you identify when registration becomes necessary. Additionally, maintaining accurate records of all transactions is essential for timely reporting and avoiding potential audits.
By proactively managing your tax obligations from the outset, you set yourself up for smoother operations and reduced risk over time. This approach not only protects your business financially but also enhances its reputation among customers who value transparency and reliability in their dealings with vendors operating across international borders.
Frequently Asked Questions
Do I need to register for sales tax if my sales are below a state's threshold?
You don't need to start collecting sales taxes until you exceed the economic nexus threshold set by each state. However, it’s important to monitor your sales closely as soon as they approach these limits.
Can Amazon collect sales tax on behalf of foreign sellers in all states?
No, while some states like California have marketplace facilitator laws that allow platforms like Amazon to handle sales tax collection for third-party sellers, others may still require individual seller compliance.
What happens if I don't comply with economic nexus requirements?
Non-compliance can result in penalties and interest charges from state tax authorities. It’s crucial to understand your obligations and stay compliant to avoid financial repercussions.
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This article is general information, not individual tax advice. If you want to talk through your specific situation, book a free 15-minute review or call or text us directly.
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