(1) Any person who intends to intervene in a trial shall submit an application for intervention to the presiding judge.
(2) Upon receipt of an application for intervention, the presiding judge shall serve a duplicate copy of the application for intervention on the parties and other intervenors, and provide them with an opportunity to submit their written opinions within a fixed period.
(3) Where an application for intervention is filed, such intervention shall be decided through a trial.
(4) A decision under paragraph (3) shall be made in writing, and grounds for such decision shall be specified.
(5) No person shall appeal a decision under paragraph (3).