State research library
Payroll compliance research for the states where your people work.
Each guide is organized around primary agency sources, employer checkpoints, and practical verification steps. They are informational research—not legal or tax advice.
Published guides
Start with the worksite, then verify the details.
California
California Payroll Compliance Guide
Official-source research checkpoints for California employer payroll setup, reporting, paydays, leave, and new-hire processes.
Read guideNew York
New York Payroll Compliance Guide
Official-source research checkpoints for New York employer withholding, NYS-45 reporting, pay frequency, leave, and local-tax review.
Read guideTexas
Texas Payroll Compliance Guide
Official-source research checkpoints for Texas unemployment-tax setup, wage reporting, payday rules, and new-hire reporting.
Read guideFlorida
Florida Payroll Compliance Guide
Official-source research checkpoints for Florida reemployment tax, RT-6 reporting, employment verification, and new-hire controls.
Read guideIllinois
Illinois Payroll Compliance Guide
Official-source research checkpoints for Illinois withholding, unemployment reporting, pay practices, paid leave, and new-hire reporting.
Read guidePennsylvania
Pennsylvania Payroll Compliance Guide
Official-source research checkpoints for Pennsylvania withholding, UCMS reporting, new hires, and local earned-income-tax review.
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