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Christy Bieber

Christy is a personal finance and legal writer with a JD from University of California, Los Angeles. She has written for WSJ Buy Side, Fox Business, CBS MoneyWatch, Miami Herald, CNN Underscored, and more.

Christy Bieber

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Sales Tax

How Long Does Trailing Nexus Last and Why Does It Matter?

Learn how trailing nexus can extend your sales tax obligations even after you stop doing business in a state.

Sales Tax

When Did Sales Tax Start in the U.S.?

Today, most states (and many cities and counties) levy sales tax — and more businesses than ever must collect and remit sales tax, thanks to regulations that make online, out-of-state sales taxable. But it wasn't always this way.

Sales Tax

Marketplace Facilitator Laws 101: State By State (2025)

Your 2025 guide to marketplace facilitator laws, state by state. Find out where and how online sales tax rules apply.

Sales Tax

What Is a Tax Engine? 6 Common Questions Answered

Learn what a tax engine is, how it automates sales tax calculations, and why it’s essential for e-commerce and SaaS businesses.

Sales Tax

Canadian Sales Tax 101 for U.S. Sellers

Learn the basics of Canadian sales tax for U.S. sellers, including GST, PST, and how to register, collect, and stay compliant.

Sales Tax

Do You Charge Sales Tax on Items Shipped Out of State?

Yes and no. You will need to charge sales tax on items shipped out of state if the products are taxable and you have nexus. Let's dive in.

Sales Tax

How Does the EU’s Import One-Stop Shop (IOSS) Work?

This guide will explain what the IOSS is, who can use it, how to register for it, and what its benefits are. 

Sales Tax

6 States Most Likely to Audit Sales Tax

Many of the states that are most aggressive in auditing businesses for sales tax compliance are known for imposing a high overall tax burden on businesses and residents. Here are some of those states.

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