What does Appleton rule mean?

Appleton rule meaning in Law Dictionary

In nyc every insurer must conform to the newest York codes. When they aer from another condition they must still follow nyc principles.

Appleton rule meaning in Business Dictionary

A rule calling for every insurer in ny to comply with the New York Insurance Code. If the insurer does business in just about any various other condition, he/she must however comply to the code.