2023 Washington Code 28A.220.037 – Traffic safety education program — Development and administration of certification process — Program audits — Suspension of program certification — Duties of department of licensing

2022 Washington Code 28A.220.037 – Traffic safety education program–Development and administration of certification process–Program audits–Suspension of program certification–Duties of department of licensing

2020 Washington Code 28A.220.037 – Traffic safety education program — Development and administration of certification process — Program audits — Suspension of program certification — Duties of department of licensing

2019 Washington Code 28A.220.037 – Traffic safety education program — Development and administration of certification process — Program audits — Suspension of program certification — Duties of department of licensing

2018 Washington Code 28A.220.037 – Traffic safety education program — Development and administration of certification process — Program audits — Suspension of program certification — Duties of department of licensing