Versions of See prior versions of a law on LawServer 2023 Washington Code 28A.515.330 – Permanent common school fund — Allowable investments — Irreducible principal 2022 Washington Code 28A.515.330 – Permanent common school fund–Allowable investments–Irreducible principal 2020 Washington Code 28A.515.330 – Permanent common school fund — Allowable investments — Irreducible principal 2019 Washington Code 28A.515.330 – Permanent common school fund — Allowable investments — Irreducible principal 2018 Washington Code 28A.515.330 – Permanent common school fund — Allowable investments — Irreducible principal 2016 Washington Code 28A.515.330 – Permanent common school fund–Allowable investments–Irreducible principal 2015 Washington Code 28A.515.330 – Permanent common school fund–Allowable investments–Irreducible principal 2014 Washington Code 28A.515.330 – Permanent common school fund — Allowable investments — Irreducible principal 2013 Washington Code 28A.515.330 – Permanent common school fund — Allowable investments — Irreducible principal 2009 Washington Code 28A.515.330 – Permanent common school fund — Allowable investments — Irreducible principal