Civil procedure; Pleading Code; claims and averments; effective date.

HB 1596 amends Oklahoma's civil procedure rules to require more specific pleading in lawsuits. It directly affects anyone filing or responding to civil cases in Oklahoma courts by mandating that claims include "a short and plain statement, made with particularity of all material facts" supporting the claim, and changing how damage amounts are requested (e.g., stating only that damages exceed federal jurisdiction thresholds for most cases). The bill also updates language to be gender-neutral and clarifies rules for defenses and pleadings, but does not create new substantive legal rights or obligations.