Versions of Nebraska Statutes 44-7,115. Step-therapy override exception; approval; procedure; effect on LawServer 2023 Nebraska Statutes 44-7,115. Step-therapy override exception; approval; procedure; effect 2022 Nebraska Statutes 44-7,115. Step-therapy override exception; approval; procedure; effect 2021 Nebraska Statutes 44-7,115. Step-therapy override exception; approval; procedure; effect