2023 Washington Code 41.59.110 – Commission, rules and regulations of — Federal precedents as standard

2022 Washington Code 41.59.110 – Commission, rules and regulations of–Federal precedents as standard

2020 Washington Code 41.59.110 – Commission, rules and regulations of — Federal precedents as standard

2019 Washington Code 41.59.110 – Commission, rules and regulations of — Federal precedents as standard

2018 Washington Code 41.59.110 – Commission, rules and regulations of — Federal precedents as standard

2016 Washington Code 41.59.110 – Commission, rules and regulations of–Federal precedents as standard

2015 Washington Code 41.59.110 – Commission, rules and regulations of–Federal precedents as standard

2014 Washington Code 41.59.110 – Commission, rules and regulations of — Federal precedents as standard

2013 Washington Code 41.59.110 – Commission, rules and regulations of — Federal precedents as standard

2009 Washington Code 41.59.110 – Commission, rules and regulations of — Federal precedents as standard