2023 Washington Code 82.12.02565 – Exemptions — Machinery and equipment used for manufacturing, research and development, or a testing operation
2022 Washington Code 82.12.02565 – Exemptions–Machinery and equipment used for manufacturing, research and development, or a testing operation
2020 Washington Code 82.12.02565 – Exemptions — Machinery and equipment used for manufacturing, research and development, or a testing operation
2019 Washington Code 82.12.02565
2018 Washington Code 82.12.02565 – Exemptions — Machinery and equipment used for manufacturing, research and development, or a testing operation
2016 Washington Code 82.12.02565 – Exemptions–Machinery and equipment used for manufacturing, research and development, or a testing operation
2015 Washington Code 82.12.02565 – Exemptions–Machinery and equipment used for manufacturing, research and development, or a testing operation
2014 Washington Code 82.12.02565 – Exemptions — Machinery and equipment used for manufacturing, research and development, or a testing operation
2013 Washington Code 82.12.02565 – Exemptions — Machinery and equipment used for manufacturing, research and development, or a testing operation
2009 Washington Code 82.12.02565 – Exemptions — Machinery and equipment used for manufacturing, research and development, or a testing operation