- Sales Tax Permit & Business License Guide
- What Is a Seller’s Permit?
- How to Get a Seller’s Permit
- Seller’s Permit Requirements
Browse state-by-state guides for sales tax permits, seller’s permits, resale certificates, and tax ID numbers.
Sales Tax
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Sales Tax on Digital Products: Which States Tax Software and Downloads
- July 17, 2026
- Posted by: OTIN Editorial Team
- Category: Sales Tax Registration
No CommentsWho This Guide Is For: This guide is for U.S. business owners, app developers, ecommerce sellers, and SaaS companies that sell downloadable software, digital files, or other electronically delivered products and need to register, collect, and remit sales tax correctly across multiple states. Key Takeaways States don’t treat “digital products” the same way: downloaded software,
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Montana Seller’s Permit Requirements for Remote Sellers
- July 17, 2026
- Posted by: OTIN Editorial Team
- Category: Seller’s Permit
Key Takeaways Montana has no statewide sales tax, so Montana does not issue a traditional seller’s permit for collecting state sales tax. Remote sellers generally do not need to register with the Montana Department of Revenue for sales tax collection, but other Montana registrations may still apply. Montana’s “quirk” is local option resort tax in
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Do You Charge Sales Tax on Services? State-by-State Logic Explained
- July 16, 2026
- Posted by: OTIN Editorial Team
- Category: Sales Tax Registration
Key Takeaways Sales tax on services is state-specific: many states exempt most services, while others tax broad categories like repairs, installation, and digital services. Your “taxability decision” depends on what you sell, where the customer receives it, and whether you have nexus that triggers registration and collection duties. Service invoices often include taxable and non-taxable
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Washington Reseller Permit vs Resale Certificate: What Online Sellers Need in 2026
- July 9, 2026
- Posted by: OTIN Editorial Team
- Category: Resale Certificate
Who This Guide Is For: Washington online sellers, marketplace sellers, and small businesses that buy inventory tax-free for resale and need to understand when to use a WA reseller permit versus a resale certificate in 2026. Start Your Application Key Takeaways In Washington, you generally give vendors a Washington Reseller Permit (not a generic “resale
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How to Get a Business Resale Number
- July 5, 2026
- Posted by: OTIN Editorial Team
- Category: Resale Certificate
Key Takeaways A resale certificate lets you buy inventory tax-free for resale, but you must have an active state sales tax permit first. States use different names (resale certificate, resale number, seller’s permit, sales tax license) and many assign a sales tax account number to use on certificates. Use resale certificates only for resellable inventory;
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Resale Certificates for Drop Shipping: State-by-State Acceptance Explained
- June 9, 2026
- Posted by: OTIN Editorial Team
- Category: Multi-State Resale
Key Takeaways In drop shipping, the “seller of record” must usually hold the destination state’s sales tax permit to buy inventory tax-free using a resale certificate. Many states accept the Streamlined Sales Tax “SST Certificate of Exemption,” but several require their own state form or specific permit numbers. Using the wrong certificate (or no permit)
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Drop Shipping Sales Tax: Do You Need a Permit in Your Home State?
- June 8, 2026
- Posted by: OTIN Editorial Team
- Category: Seller’s Permit
Key Takeaways If you operate a dropshipping business from your home state, you often need a seller’s permit there to buy inventory for resale and to report sales tax where required. Whether you must collect sales tax depends on where you have nexus (physical or economic), not where your supplier is located. Many states require
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WooCommerce Sales Tax Setup: Plugins, Rates, and Filing for Beginners
- June 7, 2026
- Posted by: OTIN Editorial Team
- Category: Filing & Returns
Key Takeaways WooCommerce can calculate sales tax automatically, but you still need a sales tax permit and an assigned filing frequency from your state agency. Set up tax settings first (address, shipping taxability, nexus states), then choose either WooCommerce Tax (automated) or manual rates for accuracy. Track taxable vs. exempt sales and keep exemption certificates;
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Digital Products Sales Tax: Which States Tax Streaming, SaaS, and Downloads in 2026
- May 24, 2026
- Posted by: OTIN Editorial Team
- Category: Rates
Key Takeaways In 2026, many states treat SaaS, streaming, and digital downloads as taxable “digital products” or “software,” while others still exempt them. Sales tax rules hinge on how your product is delivered (download vs. access), where the customer receives it, and whether you have economic nexus. Marketplace platforms may collect in some states, but
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State Sales Tax Filing Frequency: Monthly vs Quarterly vs Annual Filing Explained
- May 24, 2026
- Posted by: OTIN Editorial Team
- Category: Filing & Returns
Who This Guide Is For: New business owners, online sellers, and service providers who have just registered (or are about to register) to collect sales tax and need to understand whether they must file monthly, quarterly, or annually—and how to stay on time. Key Takeaways Sales tax filing frequency is assigned by your state, usually
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