
Workers' Comp Premium Audits: Which Payroll Records Prevent a Surprise Bill?
A workers' comp premium audit reconciles your estimated payroll against actual payroll, job classification codes, and subcontractor payments. Missing a subcontractor's certificate of insurance can add the entire contract amount to your auditable payroll — plus a 25–50% non-compliance surcharge. Here are the records to keep monthly, and the 30–60 day dispute window to know.









