Complete the enclosed Affidavit of Domicile attesting to the decedent's state of residency, and have the completed form notarized. A certified Affidavit of Domicile.This section provides you with the most frequently requested forms necessary to make changes to your account. This form must be signed and dated for us to accept as proper certification. What if the decedent's state of legal residence does not require an. Inheritance Tax Waiver form? Edit, sign, and share ast affidavit of domicile online. No need to install software, just go to DocHub, and sign up instantly and for free.