(1) A person may apply for the appointment, replacement or removal of a person as the litigation guardian of a party.
(2) The court may, at the request of a party or on its own initiative, appoint or remove a litigation guardian, or substitute another person as litigation guardian, in a proceeding in the interests of a person who needs a litigation guardian.
(3) A person becomes a litigation guardian if the person consents to the appointment by filing an affidavit of consent in the proceeding.
(4) The court may remove a litigation guardian at the request of the litigation guardian.