2023 Washington Code 27.40.030 – Acceptance of materials from private sources

2022 Washington Code 27.40.030 – Acceptance of materials from private sources

2020 Washington Code 27.40.030 – Acceptance of materials from private sources

2019 Washington Code 27.40.030 – Acceptance of materials from private sources

2018 Washington Code 27.40.030 – Acceptance of materials from private sources

2016 Washington Code 27.40.030 – Acceptance of materials from private sources

2015 Washington Code 27.40.030 – Acceptance of materials from private sources

2014 Washington Code 27.40.030 – Acceptance of materials from private sources

2013 Washington Code 27.40.030 – Acceptance of materials from private sources

2009 Washington Code 27.40.030 – Acceptance of materials from private sources