Sales Tax Resources & Updates

Bookmark this page, because it’ll be your vault for all things sales and use tax! Here you’ll find quick-reference charts, in-depth whitepapers, helpful tools, legislative updates, directories, FAQs and more.

How to Use This Page: Simply scroll to browse all our sales tax resources that you can use in your job today. You can refine your search by topic and/or jurisdiction or search by keyword. For a handy chart of key sales tax facts by state, select a jurisdiction.

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Quick Access Resources

Jurisdiction

Selecting a Jurisdiction will take you to that Jurisdiction's page.

Featured Resources

Remote Seller Resources

Comprehensive list of resources for remote sellers following the South Dakota v. Wayfair Supreme Court decision – including state notices, videos, articles, training opportunities, and more.

Helpful Links

We’ve gathered some websites that may be helpful in finding answers to your sales tax questions or addressing your sales tax needs.

Remote Seller Nexus Chart

This remote seller nexus chart lists the states that have passed one or more types of legislation regarding nexus.

Europe Is One Market. VAT Is Not.

Selling into Europe? VAT rules, rates, and registration differ by country. Learn what U.S. companies should ask before shipping, stocking, or selling digitally.

Platform and Marketplace Fees No Longer Taxable in Texas

A Texas Comptroller order ends sales tax on fees sellers pay platforms like Amazon and DoorDash. See what changed, what’s covered, and what to do next.

South Carolina Provides Guidance on Exemption for Internet Access and Communications Service Providers

South Carolina DOR guidance explains the sales and use tax exemption for internet access and communications providers, who qualifies, and how to claim a refund.

Fuel Tax Holidays Gain Momentum as States Look to Ease Rising Costs

Ohio, Georgia, and Indiana have suspended fuel taxes to ease rising costs, while Texas and North Dakota loosened diesel rules. See each state’s dates.

Oklahoma Provides Helpful Sales Tax Guidance for SaaS Companies

An Oklahoma Tax Commission private letter ruling found one SaaS company’s electronically delivered subscriptions exempt from sales tax, plus setup and support.

Florida Offers Limited Time Sales Tax Refund for Residential Home-Hardening Products

Florida homeowners can claim up to $500 back in sales tax on impact-resistant windows and doors bought through 2029. See who qualifies and how to apply.

New York Tax Appeals Decision Highlights Limits of Test Periods For Audits and Refund Claims

A New York Tax Appeals ruling confirms that audit test period projections cannot substitute for documented proof when businesses file sales tax refund claims.

6 Sales Tax Questions Your Search Bar Cannot Answer

From nexus to resale certificates, these six sales tax questions trip up even experienced professionals. Get clear answers you won\’t find in a quick search.

New York Rules SaaS Vendor Management System Fees as Taxable Software Licensing

The New York Tax Appeals Tribunal has upheld an earlier ruling by an administrative law judge (ALJ) that fees charged by a taxpayer for their vendor management system (VMS), provided through a software-as-a-service (SaaS) model, are subject to taxation as software licensing.

Illinois Social Media User Tax and Digital Ad Tax Face Further Legal Challenges

NetChoice filed new lawsuits on September 11, 2026, challenging Illinois\’ Social Media User Tax and Digital Ad Tax as unconstitutional and federally preempted.

District of Columbia General Sales Tax Rate Increases to 7% on October 1, 2027

Washington D.C.\’s sales tax rate rises from 6% to 7% on October 1, 2026, covering tangible property, digital goods, and services. See what\’s changing.

South Carolina Holds that Amazon Owes Tax on Pre-Wayfair Third Party Sales

A judge has held that Amazon owes uncollected taxes, penalties, and interest on third-party sales made pre-Wayfair.

New York Offers Penalty and Interest Discount Program for Sales Tax

New York\’s PAID program waives 100% of penalties and 50% of interest on eligible sales tax bills paid in full by December 31, 2026. No application needed.

Illinois Guidance: Retailers’ Occupation Tax Does Not Apply to Incidental Refreshments Included with Party Room Rentals

Illinois GIL ST 26-0035: incidental refreshments in party room rentals aren\’t ROT-taxable — but the business owes use tax on the food cost.

Idaho Amended Form 850 Now Available Through TAP Portal

Effective July 30, 2026, Idaho taxpayers can file amended Form 850 (Sales and Use Tax Return) online through the Idaho State Tax Commission\’s TAP portal.

DNA Testing Services Are Nontaxable, Though Kits Are Taxable in Georgia

Georgia ruled DNA testing services are exempt from sales tax while sample kits are taxable — the taxpayer owes use tax on kits (LR SUT-2026-02).

Missouri Medical Equipment Ruling Highlights the Importance of Exemption Definitions

Missouri\’s DME sales tax exemption is limited to iron lungs, oxygen tents, hospital beds, and wheelchairs — lift chairs and ramps don\’t qualify (LR 8406).

When Are Prescription Drug Purchases Exempt? Louisiana Court Focuses on Medicare-Specific Facts

Louisiana\’s Fifth Circuit held that healthcare providers\’ prescription drug purchases are exempt from sales tax when administered to Medicare Part B patients.

Arizona Expands TPT Exemption to Textbook Rentals

Arizona HB 2786 exempts textbook rentals from Transaction Privilege Tax starting October 1, 2026 — aligning with the existing exemption for textbook sales.

Why Trust May Be the Most Important AI Challenge for the Tax Ecosystem

As AI reshapes tax administration, the real challenge isn\’t efficiency — it\’s trust. Explore transparency, accountability, and public confidence.

Thirty Years of Sales Tax

Thirty years. Three decades. Almost 800 clients, 79 people who\’ve called this place their professional home, and the original sales tax nerd who still can\’t quite believe the ride.

Michigan Court Rules Medical Items Did Not Qualify for Prosthetic Device Exemption

Michigan Court of Appeals: medical supplies like bandages and incontinence products aren\’t prosthetic devices under MCL 205.54a(1)(k) (RMS v. Treasury).

Washington Clarifies Tax treatment of SaaS Implementation Services and Travel Costs

Washington ruled SaaS implementation services and travel reimbursements are taxable when exclusively connected to a taxable SaaS product.

North Carolina Enacts Tax on Peer-to-Peer Vehicle Rentals

North Carolina will tax peer-to-peer vehicle rentals at 3%–8% starting October 1, 2026. Providers must register with the DOR before that date.