2023 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity — Competitive bid procedures

2022 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity–Competitive bid procedures

2020 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity — Competitive bid procedures

2019 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity — Competitive bid procedures

2018 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity — Competitive bid procedures

2016 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity–Competitive bid procedures

2015 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity–Competitive bid procedures

2014 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity — Competitive bid procedures

2013 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity — Competitive bid procedures

2009 Washington Code 28A.160.140 – Contract for pupil transportation services with private nongovernmental entity — Competitive bid procedures