#multi-state-tax
Multi-State Tax
Multi-state tax compliance, nexus rules, and withholding requirements for businesses operating across state lines
State Unclaimed Property and Escheat Reporting for Small Businesses: Dormancy Periods, Due Diligence Letters, and NAUPA Holder Reports
A practical guide for small businesses on identifying unclaimed property — uncashed vendor and payroll checks, customer credits, gift cards — applying state dormancy periods, mailing due diligence letters, and filing the NAUPA II holder report before Delaware or another state opens a contingency-fee audit.
Tangible Personal Property Tax: A Small Business Guide to TPP Returns, Freeport Exemptions, and Ghost Assets
A practical guide to the tangible personal property (TPP) tax that 38 U.S. states require small businesses to file every January, covering de minimis thresholds in 12 states, freeport inventory exemptions in 8 inventory-tax states, ghost-asset overpayment, and the annual asset-register workflow that keeps your bill honest.
The PTET SALT Cap Workaround: How Pass-Through Owners Convert State Tax Into a Federal Deduction
How partnerships and S corporations in 36+ states use the Pass-Through Entity Tax election under IRS Notice 2020-75 to deduct state income tax at the entity level and bypass the federal SALT cap — with a worked example, resident-credit mechanics, and 2026 election deadlines.
Why Your Website's Chat Box Could Trigger State Income Tax in 20 States: PL 86-272 in the Internet Economy
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.
Sales Tax Economic Nexus After Wayfair: A Compliance Guide for Online Sellers
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 B&O Tax in 2026: Gross Receipts, Nexus, Apportionment, and Multistate Pitfalls
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.
The NIL Tax Trap: What College Athletes (and Their Parents) Owe on Endorsement, Collective, and Revenue-Sharing Income
How NIL endorsements, collective payouts, and House v. NCAA revenue sharing are taxed in 2026—Schedule C mechanics, the 15.3% self-employment tax, multi-state jock-tax filings, and the planning moves that keep April manageable for college athletes and their families.
Sales Tax on SaaS, Streaming, and Digital Goods in 2026: A State-by-State Compliance Survival Guide for Software Vendors
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.
State PFML Programs in 2026: A Multi-State Employer's Guide to Withholding, Private Plans, and the Section 45S Credit
Sixteen US jurisdictions run mandatory paid family and medical leave programs in 2026, with new benefits live in Minnesota, Maine, and Delaware, a 23% Washington premium hike to 1.13%, and a permanent Section 45S federal credit. This guide covers which states require withholding, how private plan exemptions work, how PFML coordinates with FMLA and ADA, and the W-2 Box 14 codes that break payroll when miscoded.
Tax Planning for Travel Nurses: Tax Home, the One-Year Rule, Per Diem Stipends, and Multi-State Filing
A practical breakdown of how travel nurses keep housing and meal stipends tax-free — covering the IRS tax home rule, the 12-month assignment cliff, duplicate-expense documentation, multi-state nonresident returns, and which states have reciprocity agreements.
State Apportionment Formulas for Multistate Businesses: Single Sales Factor, Three-Factor, and Market-Based Sourcing Explained
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.
State Corporate Income Tax Apportionment in 2026: How Single Sales Factor and Market-Based Sourcing Reshape SaaS Tax Bills
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.