Appleton Rule

Appleton Rule

A regulation in New York State requiring every insurance company doing business in New York to abide by New York's rules even regarding business it does in other states. The Appleton rule has had a large affect on insurance regulation because it applies to insurance companies that do any business in New York, even if that only forms a small part of their operations. It was instituted in the early 1900s.
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The Appleton Rule serves to prohibit these insurers from issuing financial guaranty insurance policies in any other jurisdiction, even if authorized to issue such policies under another state's law.