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Multi-State Tax

Everything About Multi-State Tax

13 articles
Multi-state tax compliance, nexus rules, and withholding requirements for businesses operating across state lines

Drop Shipping Sales Tax in 2026: Three-Party Transactions, Resale Certificates, and Marketplace Facilitators

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.

The Remote Worker's Multi-State Tax Survival Guide: Convenience Rules, Reciprocity, and How to Avoid Paying Twice

How state income tax really works for remote employees who cross state lines: the convenience-of-the-employer rule used by seven states (including New York), which reciprocity agreements eliminate double taxation, day-counting evidence auditors accept, and the bookkeeping habits that keep multi-state returns predictable.

State Residency Tax Planning: How to Legally Lower Your Tax Bill by Changing Domicile

A practical guide to changing state domicile for tax savings—covering the difference between residency and domicile, the nine no-income-tax states, the 183-day statutory residency trap, and how high-tax states reconstruct your year from cell tower pings, EZ-Pass records, and credit card data.