Arizona

Civil Procedure

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.

Ariz. R. Civ. P. 81

Amended effective January 1, 2017.