Shipping Tax on Mixed Carts: Taxable and Exempt Items
Handle shipping tax on mixed carts with a New York allocation example, free-shipping checks, discount scenarios, refunds, and a practical checkout test plan.
Sales Tax Kit Blog
Read official-source 2026 articles on sales tax nexus, remote sellers, SaaS, marketplaces, tax holidays, and eCommerce.
Zero Sales Tax Returns: When and How to File
Learn why an active sales tax account may still need a return with no sales, and check exempt sales, marketplace receipts, use tax, and account closure.
IOSS for US Sellers: EU VAT and Small-Parcel Duties
Understand IOSS for US sellers: eligible consignments, EU intermediaries, marketplace orders, monthly VAT reporting, and the separate July 2026 customs duty.
How to Calculate Sales Tax from a Total Price
Separate sales tax from a tax-inclusive total with a simple formula, worked examples, and checks for mixed baskets, fees, discounts, and rounding.
Sales Tax on Unpaid Invoices: Bad Debt Relief Explained
Understand why an unpaid invoice does not automatically reverse sales tax, and what to check before claiming state bad debt relief.
Sales Tax Rounding: Why Checkout Totals Differ by a Cent
Trace sales tax rounding differences through line items, invoice totals, rate components, discounts, and refunds with a clear worked example.
Multi-State Sales Tax for Remote Sellers: 2026 Guide
A practical 2026 workflow for finding nexus, registering in the right states, collecting accurately, and keeping multi-state filings under control.
Economic Nexus Thresholds in 2026: What Counts?
Learn how sales bases, measurement periods, marketplace orders, and changing transaction tests affect economic nexus monitoring in 2026.
7 Sales Tax Mistakes Online Sellers Should Avoid
Seven preventable errors that lead to incorrect checkout tax, late returns, weak exemption records, and avoidable audit exposure.
Marketplace Facilitator Laws: Seller Checklist for 2026
Understand what marketplaces usually collect, what sellers still own, and how to reconcile facilitated and direct sales without double reporting.
2026 Sales Tax Holidays: Seller Preparation Guide
Prepare products, price caps, local rules, discounts, returns, and checkout timing for the official 2026 state sales tax holiday calendar.
Is SaaS Taxable? 2026 State Sales Tax Guide
A practical way to analyze SaaS taxability using product facts, customer location, state classifications, bundled services, and current authority.
Cross-Border eCommerce Tax: VAT, GST, Duties & Platforms
Build a reliable cross-border checkout process for VAT, GST, customs duties, low-value imports, customer evidence, and marketplace responsibilities.
How to Register for a Sales Tax Permit: 2026 Guide
A step-by-step sales tax registration workflow covering nexus confirmation, application data, collection dates, account setup, and post-registration controls.
Origin vs Destination Sales Tax: Sourcing Guide
Learn how sales tax sourcing identifies the jurisdiction and rate for shipped goods, pickup orders, services, remote sales, and multi-location customers.
Is Shipping Taxable? Sales Tax Guide for Sellers
Understand how states can treat shipping, delivery, freight, postage, handling, bundled charges, free shipping, and returns differently.
Are Digital Products Taxable? 2026 Sales Tax Guide
A practical framework for classifying downloads, streaming, digital goods, online content, software, subscriptions, and automated services.
Sales Tax Audit Checklist: How to Prepare
Prepare for a sales tax audit with a controlled data request process, transaction reconciliations, exemption evidence, system documentation, and issue tracking.
How to File a Sales Tax Return: Step-by-Step Guide
A repeatable filing workflow for reconciling gross sales, deductions, marketplace activity, taxable sales, jurisdiction schedules, payments, and amendments.
Sales Tax on Discounts, Coupons & Gift Cards
Learn how store discounts, manufacturer coupons, third-party vouchers, gift cards, loyalty rewards, bundles, and refunds can change the taxable amount.
Dropshipping Sales Tax Guide for Online Sellers
Map the retailer, supplier, customer, resale documentation, nexus, sourcing, marketplace, and drop-shipment rules before configuring tax.
Sales Tax vs Use Tax: What Businesses Need to Know
Understand consumer use tax, seller-collected use tax, untaxed purchases, inventory withdrawals, cross-jurisdiction rate differences, and reporting controls.
VAT vs GST vs Sales Tax: Key Differences Explained
Compare collection stages, input credits, registration, invoices, B2B treatment, imports, platforms, rates, and reporting across major consumption-tax systems.
Resale Certificates for Online Sellers: A Practical Guide
Learn when resale certificates apply, which form to collect, how sellers should validate them, and how to keep exemption records ready for audit.
Sales Tax on Returns, Refunds & Exchanges
A seller workflow for refunding tax, handling partial returns and restocking charges, correcting filed periods, and reconciling exchanges across channels.
Sales Tax on Product Bundles & Gift Baskets
Learn how mixed taxable and exempt items, allocation records, packaging, discounts, shipping, and subscriptions affect tax on product bundles.
How to Close a Sales Tax Permit or Account
A controlled offboarding process for confirming nexus has ended, filing final returns, closing state accounts, preserving records, and preventing future notices.
Billing vs Shipping Address: Which Sets Sales Tax?
Why the shipping address usually matters more than the billing address for sales tax, where pickup and digital orders differ, and how sellers can prevent address-based rate errors.
Which States Have No Sales Tax in 2026?
A practical look at Alaska, Delaware, Montana, New Hampshire, and Oregon—and why “no state sales tax” does not mean every transaction is tax-free.
Are Services Taxable? A Sales Tax Guide for Businesses
A practical method for deciding whether consulting, repair, installation, digital, maintenance, and bundled services are subject to sales tax.
Sales Tax on Rentals and Leases: What Businesses Should Track
How purchase tax, recurring rental charges, equipment location, mandatory fees, subleases, and buyouts affect sales tax on leased property.
Sales Tax on Trade-Ins, Rebates, and Dealer Discounts
Why trade-in credits, manufacturer rebates, dealer discounts, down payments, and incentives can produce different taxable amounts by state.