Any sale or encumbrance to the Personal Representative or the Personal Representative’s spouse, agent, or attorney, or any corporation or trust in which the Personal Representative has a substantial beneficial interest, or any transaction that is affected by a conflict of interest on the part of the Personal Representative, is voidable by any interested person except one who has consented after fair disclosure, unless:
(1) The will or a contract entered into by the decedent expressly authorized the transaction; or
(2) The transaction is approved by the court after notice to interested persons.