2023 Washington Code 15.44.023 – Associations with same objective — Dual membership — Contracting

2022 Washington Code 15.44.023 – Associations with same objective–Dual membership–Contracting

2020 Washington Code 15.44.023 – Associations with same objective — Dual membership — Contracting

2019 Washington Code 15.44.023 – Associations with same objective — Dual membership — Contracting

2018 Washington Code 15.44.023 – Associations with same objective — Dual membership — Contracting

2016 Washington Code 15.44.023 – Associations with same objective–Dual membership–Contracting

2015 Washington Code 15.44.023 – Associations with same objective–Dual membership–Contracting

2014 Washington Code 15.44.023 – Associations with same objective — Dual membership — Contracting

2013 Washington Code 15.44.023 – Associations with same objective — Dual membership — Contracting

2009 Washington Code 15.44.023 – Associations with same objective — Dual membership — Contracting