American Association of Insurance Services

The American Association of Insurance Services (AAIS) is a national insurance advisory organization in the United States.

Among other things, is one of the two major "rating bureaus" in the United States, along with the Insurance Services Office.^[1] Rating bureaus publishes standardized model insurance policy forms and prices which its insurance company customers use in their business.^[2] This expedites compliance and allows the policyholder customers to compare policy forms more easily. Companies which do not use the standardized form exactly will often use it as a base with subtle modifications.

It was originally founded in the 1930s as the Chicago-based Transportation Insurance Rating Bureau focused exclusively on inland marine insurance. In 1975 its name was changed and scope was broadened to include all insurance products.^[3]

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