Domicile" is the place you intend to make your home permanently or for an indefinite period of time. 2. Domicile; definition and presumptions.An affidavit of domicile is a legal document that certifies the residence of a deceased person. You moved to or from Minnesota during the tax year and established residency (domicile). An affidavit of domicile is a legal document that verifies the primary place of residency of someone after their death. An affidavit of domicile is a sworn statement signed before a notary public establishing the legal domicile of someone who has died. The term "domicile" means the bodily presence of an individual person in a place coupled with an intent to make such a place one's home. An Affidavit of Domicile is a legal document that serves as a sworn statement used to establish the residence or domicile of a deceased person. When you homestead your property you are claiming the property as your primary domicile.