2023 Washington Code 50.29.026 – Modification of contribution rate

2022 Washington Code 50.29.026 – Modification of contribution rate

2020 Washington Code 50.29.026 – Modification of contribution rate

2019 Washington Code 50.29.026

2018 Washington Code 50.29.026 – Modification of contribution rate

2016 Washington Code 50.29.026 – Modification of contribution rate

2015 Washington Code 50.29.026 – Modification of contribution rate

2014 Washington Code 50.29.026 – Modification of contribution rate

2013 Washington Code 50.29.026 – Modification of contribution rate

2009 Washington Code 50.29.026 – Modification of contribution rate