2023 Washington Code 69.43.135 – Iodine, methylsulfonylmethane — Sales restrictions — Recording of transactions — Penalties

2022 Washington Code 69.43.135 – Iodine, methylsulfonylmethane–Sales restrictions–Recording of transactions–Penalties

2020 Washington Code 69.43.135 – Iodine, methylsulfonylmethane — Sales restrictions — Recording of transactions — Penalties

2019 Washington Code 69.43.135

2018 Washington Code 69.43.135 – Iodine, methylsulfonylmethane — Sales restrictions — Recording of transactions — Penalties

2016 Washington Code 69.43.135 – Iodine, methylsulfonylmethane–Sales restrictions–Recording of transactions–Penalties

2015 Washington Code 69.43.135 – Iodine, methylsulfonylmethane–Sales restrictions–Recording of transactions–Penalties

2014 Washington Code 69.43.135 – Iodine, methylsulfonylmethane — Sales restrictions — Recording of transactions — Penalties

2013 Washington Code 69.43.135 – Iodine, methylsulfonylmethane — Sales restrictions — Recording of transactions — Penalties

2009 Washington Code 69.43.135 – Iodine, methylsulfonylmethane — Sales restrictions — Recording of transactions — Penalties