What is Sales Tax, Nexus?

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Hey there, I’m Lisa, one of the admins of our online selling group, and I’ve got something important to share with you. It’s about something that often leaves online sellers scratching their heads – the sales tax nexus. Don’t worry; I had the same questions, but I recently had a conversation that made things a lot clearer. So, let’s dive in and make sense of it together.

What Is Sales Tax Nexus?

Okay, imagine you’re running a little online store, maybe selling vintage collectibles or handmade crafts, and you’re using platforms like Facebook Marketplace or eBay. The sales tax nexus is like a connection between your online business and the tax rules of a specific state. It’s this connection that decides if you need to collect and pay sales tax in that state.

Why Does Nexus Matter for Online Sellers?

Now, you might be thinking, “But I sell on Facebook Marketplace, they handle the tax stuff, right?” Well, yes and no. Many online platforms, including Facebook Marketplace, now collect and pay the sales tax on your behalf, but here’s the twist: that doesn’t automatically solve everything.

Let’s say you’re based in Texas and selling your vintage treasures on Facebook Marketplace. You’ve got customers from all over the country – from New York to California. Facebook does a great job collecting sales tax for sales in Texas because that’s where you’re located. But guess what? Those sales to buyers in other states could mean more than just shipping fees. They could mean you’ve created a sales tax nexus in those states, too.

Meet TaxJar: Your Tax Sidekick

Now, this is where TaxJar comes to the rescue. TaxJar is like your trusty sidekick in the world of sales tax. It’s a handy software designed to make life easier for online sellers like us. How? Well, it can automatically track your sales and figure out how much sales tax you owe in different states. Pretty neat, right?

But here’s the thing: TaxJar can’t do it all by itself. You still need to understand your sales tax responsibilities. It’s like having a GPS in your car – it helps you get where you need to go, but you still need to know how to drive.

Economic Nexus: The New Kid on the Block

In our conversation, I also learned about something called “economic nexus.” It’s like a newer version of Nexus, and it’s not about your physical location. Instead, it’s about the amount of sales you make in a state. Each state sets its own rules, like “if you sell more than $100,000 here, you gotta collect sales tax.” So even if you’re not physically there, you might still need to follow their sales tax rules.

Summing It Up

So, here’s the scoop: Understanding the sales tax nexus is crucial for online sellers like us. Even if platforms like Facebook Marketplace do some of the heavy lifting, it’s still our job to keep an eye on things. TaxJar can make this easier by handling the math and tracking for us, but remember, we’re the ones driving the sales tax car.

For more detailed info on sales tax and online selling, I’ve put together some FAQs:

Frequently Asked Questions (FAQs) about Nexus:

  1. What is Nexus?
    • Answer: Nexus is like a connection between your online business and a state’s tax rules, deciding if you need to collect and pay sales tax there.
  2. How is Nexus determined?
    • Answer: It’s based on things like where you’re located, your sales revenue in a state, and the number of transactions with customers there.
  3. Why is Nexus important for businesses?
    • Answer: It’s important because it decides if you have to collect and pay sales tax in a particular state, which can affect your business.
  4. Can Nexus be established without physical presence?
    • Answer: Yes, it can, especially through online sales.
  5. What is economic Nexus?
    • Answer: Economic Nexus is when your sales in a state trigger sales tax rules, even if you’re not physically there.
  6. What are the consequences of not complying with Nexus requirements?
    • Answer: Consequences can include fines and legal trouble, which can be bad for your business.
  7. How can businesses monitor and manage Nexus requirements?
    • Answer: You can keep an eye on your sales and get help from tax professionals or tools like TaxJar.
  8. What is the difference between Nexus and physical presence?
    • Answer: Nexus is about the connection between your business and a state, while physical presence is just about being there.

I hope this clears things up a bit and helps you navigate the world of online sales and taxes with more confidence. Remember, you’re not alone in this – your friendly group admin is here to help!

Below are some resources for you with your Nexus journey.

TaxJar’s system.

TaxJar’s Guide to Sales Tax for Online Sellers: This comprehensive guide covers a wide range of topics related to sales tax, including nexus, economic nexus, and marketplace facilitator laws.


Avalara’s Sales Tax Resource Center: Avalara is another company that provides sales tax automation tools and resources for businesses. Their resource center includes articles, webinars, and other educational materials on sales tax topics.


The Streamlined Sales Tax Governing Board: This organization works to simplify and standardize sales tax rules across states. Their website includes information on the Streamlined Sales and Use Tax Agreement, which some states have adopted to make it easier for businesses to comply with sales tax laws.

As an online seller, you may have heard of the term “nexus” when it comes to sales tax. But what exactly is nexus and how does it work? In a video on YouTube titled “What I learned about Sales Tax for Facebook Marketplace Sales,” a seller named Lisa interviewed a representative from TaxJar named Nick to discuss this topic.

A guide to your taxes online and what to expect.

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