Need more information.is it in a written interrogatory or during a deposition or during a trial. Speak with your attorney about it. Domicile proof can include driver's license, voting records, tax returns, pay stub, lease , utility bill and many more items including affidavits from neighbors.
If this answer is helpful, then please mark the helpful button. If this is the best answer, then please indicate it. Thanks. For further information you should see an attorney and discuss the matter completely. If you are in the New York City area, then you can reach me during normal business hours at 718 329 9500 or www.mynewyorkcitylawyer.com.