Can I use other family members' application?
More and more Italian Consulate accept "family files", so if you one of your family members has already received his or her Italian Citizenship, you can use his or her documents as long as you are applying at the same Italian Consulate. You will have to present your vital records, certified, Apostilled and translated to Italian and pay the "application fee" to the Italian Consulate. If you don't reside in the same jurisdiction, then you will need submit a brand new portfolio of certified documents (both U.S.