1. Upon the filing of a petition for appointment of a guardian pursuant to section 232D.301, the court shall appoint an attorney for the minor, if the court determines that the interests of the minor are or may be inadequately represented.
2. An attorney representing the minor shall advocate for the wishes of the minor to the extent that those wishes are reasonably ascertainable and advocate for best interest of the minor if the wishes of the minor are not reasonably ascertainable.