Rule 81. Effective Date; Applicability

(a) Effective Date. These rules and any amendments take effect at the time specified by the Supreme Court. (b) Applicability. Upon the effective date, a rule or amendment governs: (1) proceedings in an action commenced after its effective date; and (2) proceedings after that date in a pending action unless: (A) the Supreme Court specifies otherwise in its order adopting the rule or amendment; or (B) the court determines that applying the rule or amendment in a particular action would be infeasible or work an injustice, in which event the former rule or procedure applies.