An affidavit of domicile is a sworn statement signed before a notary public establishing the legal domicile of someone who has died. Domicile refers to the place you call home permanently.Your domicile is important for legal purposes such as paying taxes, voting, and claiming benefits. Domicile or legal home is defined as consisting of three elements: (1) actual physical presence (2) at a fixed dwelling. Your domicile is the state of your permanent home, or the state you consider your home whenever you are elsewhere. Your domicile is an important place. The domicile is an individual's legal home, or permanent residence. Residence – Statement from the landlord, current rent receipt, current lease, mortgage records. The Decedent's distributees (heirs who are entitled to a share of the deceased person's property) must also be listed in the probate petition. The Home Energy Assistance Program (HEAP) can help eligible New Yorkers heat and cool their homes.