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.


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Workers Compensation Guides

Workers Compensation State Statutory Exceptions

General Liability Guides

Rating Information

Industry Guides




Just the FAQs

Training Manuals

Training Manuals

PAAS® offers three comprehensive training manuals for beginning premium auditors and reviewers. The self-contained manuals are available for workers compensation, general liability, and commercial auto. For many insurance companies and premium audit service companies, PAAS® training manuals form the core of the training program.

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The leading technical information service for premium audit and underwriting professionals