Coming soon
Multi-state payroll research checklist
A structured starting point for mapping jurisdictions, sources to confirm, internal owners, and open questions before a payroll change.
Public research library
Payroll compliance, state by state.
A free, practical library for teams researching the payroll requirements that shape their next move across the United States.
Research charter
Complex rules. Clear guidance.
Built to help payroll, HR, finance, and operations teams prepare better questions and maintain a reliable research record.
Designed for the work
Research that is easier to review, share, and revisit.
Source-led
Organized around agency requirements and primary references whenever available.
Operational
Structured for planning conversations, review cycles, and documented follow-through.
State guide directory
Find the state that is shaping your payroll work.
Browse six published guides organized around primary agency references, practical payroll controls, and clear verification triggers.
Browse all state guides01Read guide 02Read guide 03Read guide 04Read guide 05Read guide 06Read guide
California
Wage statements, withholding, and leave coordination
Florida
Reemployment tax, RT-6, and onboarding controls
Illinois
Withholding, unemployment, paid leave, and new hires
New York
State and local payroll research checkpoints
Pennsylvania
UCMS reporting, withholding, and local-tax checks
Texas
New-hire, unemployment, and workforce records
Resources & checklists
Reference materials for a more deliberate review process.
Downloadable reference materials are planned for this library. We will clearly mark them here when an edition is available to access.
Important context
Keep the research current, and the decisions qualified.
Payroll Compliance Guide provides informational research only, not legal or tax advice. Payroll rules, agency procedures, and local requirements can change. Confirm current obligations with the relevant government agencies and qualified legal, tax, or payroll advisers before acting.
Update notice: every published guide identifies its research retrieval and update date. Re-check the linked agencies before a payroll decision because rules and local obligations can change.