(a) If the guardian of the estate of a ward purchases estate property in violation of this subchapter, a person interested in the estate may file a written complaint with the court in which the guardianship proceedings are pending.
(b) On service of citation on the guardian on a complaint filed under Subsection (a) and after hearing and proof, the court shall:
(1) declare the sale void;
(2) set aside the sale; and
(3) order the reconveyance of the property to the estate.
(c) The court shall adjudge against the guardian all costs of the sale, protest, and suit, if found necessary.