2023 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities — Penalty — Exemptions

2022 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities–Penalty–Exemptions

2020 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities — Penalty — Exemptions

2019 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities — Penalty — Exemptions

2018 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities — Penalty — Exemptions

2016 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities–Penalty–Exemptions

2015 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities–Penalty–Exemptions

2014 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities — Penalty — Exemptions

2013 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities — Penalty — Exemptions

2009 Washington Code 28A.600.420 – Firearms on school premises, transportation, or facilities — Penalty — Exemptions