#nexus
Sales tax nexus rules, economic and physical nexus thresholds, and multi-state compliance requirements
Public Law 86-272 once shielded out-of-state sellers from state income tax, but the MTC's 2021 revised statement now treats chat widgets, post-sale support, and analytics cookies as immunity-breaking activities — and California, New York, New Jersey, Oregon, and Minnesota have signed on.
A 2026 guide to U.S. sales tax economic nexus — how the $100,000 threshold works after Wayfair, which states still count transactions, how marketplace facilitator laws affect your nexus math, and what to do when you should have registered months ago.
Washington's B&O tax is a gross receipts tax with major 2026 changes — a $2 million economic nexus threshold, tiered service rates from 1.5% to 2.1%, and a $2M standard deduction. This guide breaks down activity-based classifications, market-based sourcing, penalty math that can exceed 39%, and the bookkeeping practices that keep multistate sellers audit-ready.
By 2026, sales tax on SaaS and digital goods splits into three legal routes—tangible property, taxable service, or nontaxable intangible—plus a true-object test that turns on customer intent. This guide covers the 2026 Illinois, Maine, and D.C. changes, economic nexus thresholds, and when a voluntary disclosure agreement beats direct registration.
How U.S. states divide multistate corporate income using single sales factor, three-factor, and market-based sourcing rules — including throwback and throwout traps, P.L. 86-272 limits, and the bookkeeping detail required to file accurately.
A guide to state corporate income tax apportionment in 2026 — why 34 of 44 corporate-tax states now use single sales factor, how market-based sourcing rules in California, Kansas, and Arkansas shift SaaS and service company tax bills toward customer location, and five strategies to manage the exposure.
Drop shipping treats one shipment as two sales for tax purposes, and depending on nexus, resale certificate rules, and marketplace facilitator laws, an ecommerce operator can owe tax in states they never set foot in. A 2026 field guide to who actually collects, the ten strict resale states, and the nexus thresholds — including transaction-trigger drops — that decide your exposure.
Marketplaces like Amazon, Etsy, and Shopify collect sales tax for you, but registration, zero returns, and economic nexus tracking are still your responsibility. A 2026 compliance routine for multi-channel sellers, with state thresholds and the six mistakes that trigger penalties.
You moved out of New York but the state still taxes your remote pay. Learn how the convenience-of-the-employer rule, reciprocity agreements, and
A 2026 guide to sales tax compliance for small businesses selling across state lines — how nexus works after Wayfair, which states repealed the 200-transaction rule, and a seven-step sequence to collect, file, and remit across 45 states without triggering audits.
