6 GCA § 102

Rules of Evidence as adopted by the Supreme Court of Guam through its Promulgation Order Number 06-00 1 apply to all actions, cases and proceedings brought after said Promulgation Order takes effect and to all actions, cases and proceedings commenced prior to the effective date hereof and still pending, except to the extent that application of the Rules to those pending actions, cases and proceedings would not be feasible, or would work injustice, in which event the evidentiary principles contained in the former Division 1 of Title 6 GCA shall apply, notwithstanding the repeal and reenactment thereof by this Act.