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 form must be signed and dated for us to accept as proper certification. This section provides you with the most frequently requested forms necessary to make changes to your account. What if the decedent's state of legal residence does not require an. Inheritance Tax Waiver form? Send form to Computershare. This file is maintained pursuant to the Freedom of Information Act (5 U.S.C.. 552).