This affidavit is made for the purpose of securing the transfer or delivery of property owned at the time of the decedent's death to a purchaser. Learn about the affidavit of domicile, its role in probate, and how to notarize it online with a legal document notary.Complete the enclosed Affidavit of Domicile attesting to the decedent's state of residency, and have the completed form notarized. An affidavit of domicile is a legal document that certifies the residence of a deceased person. Create an affidavit of domicile with stepbystep instructions. You are required to complete and submit an Affidavit of Domicile to. AST when transferring shares involving a deceased shareholder.