Interested in understanding the ins and outs of a move to Italy? Each Italian region has it’s own quirks and each Italian Consulate in the US has their own interpretation of the rules. There is no rule of thumb. If your consulate or region wants something you have no choice but to give it to them.
This article from the Nancy Goes To Italy Blog will help you better understand the ins-and-outs of a permanent move. Nancy lives in Umbria, but her experiences apply to basically anywhere in Italy where you may be considering a move.