Complete Form ET-141 if it is claimed that the decedent was not domiciled in New York State at the time of death. Do I need to file a New York State tax return?How do I know if I am a resident of New York State for income tax purposes? How do I fill this out? To fill out the New York Estate Tax Domicile Affidavit, gather all necessary personal information about the decedent. Gov or submit in-person at the NYC Comptroller's Office. Domicile is intended to be permanent rather than temporary, whereas residence means living in a particular locality and requires mere physical presence.