I have found this site to be extremely helpful. I think that the requirements vary from consulate to consulate ...although not by much. I am in Los Angeles.

http://www.italiancitizenshipforamericans.com

Best,
Pamela

Hello there,
I am in the process of obtaining Italian (duel) citizenship and need to get a copy of my grandfather's birth certificate. I am just beginning the process. He was born in Atripalda in the province of Avellino, Campania, Italy. Can anyone tell me how I go about contacting them and getting ...