ISO’s Premium Audit Advisory Service (PAAS®) is your source of technical information and training for premium auditors. PAAS® information helps you properly classify exposures for commercial casualty insurance, including general liability, commercial auto, and workers compensation. PAAS® offers a wide range of essential services, including more than 40,000 classification guides and more than 500 bulletins. The guides feature detailed descriptions of all state-specific and national workers compensation and general liability classifications.


For product information, click on a link below.

Workers Compensation Guides

Workers Compensation State Statutory Exceptions

General Liability Guides

Rating Information

Industry Guides




Just the FAQs

Training Manuals


InfoLinks pages contain direct links to other websites that PAAS® staff has identified as particularly useful to PAAS® customers. Each link will open a separate browser session. When you are finished with the site, just close that browser window, and you will return to PAAS® on ISOnet, just where you left it.

  • CA - Workers Compensation Insurance Rating Bureau of California
  • DE - Delaware Compensation Rating Bureau
  • MA - Workers Compensation Rating and Inspection Bureau
  • MI - Compensation Advisory Organization of Michigan
  • MN - Minnesota Workers Compensation Insurers Association
  • NC - North Carolina Rate Bureau
  • NJ - New Jersey Compensation Rating and Inspection Bureau
  • NY - New York Compensation Insurance Rating Board
  • PA - Pennsylvania Compensation Rating Bureau
  • TX - Texas Department of Insurance
  • WI - Wisconsin Compensation Rating Bureau
  • Workers Compensation - The Workers Compensation Service Center
  • Workers Compensation Laws and Statutes for All 50 States
  • Insurance Fraud Bureau of Massachusetts (IFB)

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The leading technical information service for premium audit and underwriting professionals