2023 Washington Code 41.28.040 – Rates of contribution — Deduction and payment into fund

2022 Washington Code 41.28.040 – Rates of contribution–Deduction and payment into fund

2020 Washington Code 41.28.040 – Rates of contribution — Deduction and payment into fund

2019 Washington Code 41.28.040 – Rates of contribution — Deduction and payment into fund

2018 Washington Code 41.28.040 – Rates of contribution — Deduction and payment into fund

2016 Washington Code 41.28.040 – Rates of contribution–Deduction and payment into fund

2015 Washington Code 41.28.040 – Rates of contribution–Deduction and payment into fund

2014 Washington Code 41.28.040 – Rates of contribution — Deduction and payment into fund

2013 Washington Code 41.28.040 – Rates of contribution — Deduction and payment into fund

2009 Washington Code 41.28.040 – Rates of contribution — Deduction and payment into fund