(1) A ruling on a motion for exclusion of or challenge against an administrative patent judge shall be made in a trial.
(2) An administrative patent judge against whom a motion for exclusion or challenge is pending shall not participate in the trial on the exclusion or challenge: Provided, That the administrative patent judge may make arguments thereon.
(3) A ruling under paragraph (1) shall be made in writing, stating the grounds therefor.
(4) No appeal shall be made against a ruling made under paragraph (1).[This Article Wholly Amended on Jun. 11, 2014]