Alaska Stat. § 13.16.680
(a) Thirty days after the death of a decedent, any person indebted to the decedent or having possession of tangible personal property or an instrument evidencing a debt, obligation, stock, or chose in action belonging to the decedent shall make payment of the indebtedness or deliver the tangible personal property or an instrument evidencing a debt, obligation, stock, or chose in action to a person claiming to be the successor of the decedent upon being presented an affidavit made by or on behalf of the successor stating that
(1) the entire estate, wherever located, less liens and encumbrances, consists only of not more than