Reciprocity Agreements
How 16 states and D.C. coordinate withholding for cross-border commuters.
State Tax Reciprocity Agreements: The Complete 2025 Guide
Reciprocity agreements let cross-border commuters pay income tax only to their state of residence. Our complete 2025 guide covers all 30 agreements, the forms you need, and how to claim exemption.
Maryland-Virginia-DC Reciprocity: Withholding Rules for Capital Region Workers
The D.C. metro area has the most active reciprocity network in the country. This guide explains how Maryland, Virginia, and the District coordinate withholding for the hundreds of thousands of cross-border commuters.
Illinois-Indiana-Iowa-Kentucky-Michigan-Wisconsin Reciprocity Explained
The Midwest reciprocity cluster is one of the oldest in the country. Understand how six states coordinate withholding, what forms commuters must file, and what changes after a state introduces a flat tax.
Ohio Reciprocity Agreements: Indiana, Kentucky, Michigan, Pennsylvania, West Virginia
Ohio maintains reciprocity with five neighboring states. Learn how the IT 4-R exemption form works, what happens to Ohio school district taxes for non-residents, and recent rule changes.
Pennsylvania-New Jersey Reciprocity: What Cross-Border Workers Must Know
The PA-NJ reciprocal tax agreement is one of the most heavily used in the country, but New Jersey also enforces the convenience rule. Understand both rules, the NJ-165 form, and what changes when NJ residents work remotely.
How to Claim Reciprocity: State Withholding Exemption Forms Explained
Claiming reciprocity requires the right form at the right time. This step-by-step guide walks through every state exemption form, when to submit it, and what to do if your employer refuses to honor it.
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