2023 Washington Code 18.35.020 – Hearing instruments — Dispensing — License, certificate, permit required

2022 Washington Code 18.35.020 – Hearing instruments–Dispensing–License, certificate, permit required

2020 Washington Code 18.35.020 – Hearing instruments — Dispensing — License, certificate, permit required

2019 Washington Code 18.35.020 – Hearing instruments — Dispensing — License, certificate, permit required

2018 Washington Code 18.35.020 – Hearing instruments — Dispensing — License, certificate, permit required

2016 Washington Code 18.35.020 – Hearing instruments–Dispensing–License, certificate, permit required

2015 Washington Code 18.35.020 – Hearing instruments–Dispensing–License, certificate, permit required

2014 Washington Code 18.35.020 – Hearing instruments — Dispensing — License, certificate, permit required

2013 Washington Code 18.35.020 – Hearing instruments — Dispensing — License, certificate, permit required

2009 Washington Code 18.35.020 – Hearing instruments — Dispensing — License, certificate, permit required