2023 Washington Code 19.270.050 – Application and construction of RCW 19.270.020 (5) through (11) or 19.270.040

2022 Washington Code 19.270.050 – Application and construction of RCW 19.270.020 (5) through (11) or 19.270.040

2020 Washington Code 19.270.050 – Application and construction of RCW 19.270.020 (5) through (11) or 19.270.040

2019 Washington Code 19.270.050 – Application and construction of RCW 19.270.020 (5) through (11) or 19.270.040

2018 Washington Code 19.270.050 – Application and construction of RCW 19.270.020 (5) through (11) or 19.270.040

2016 Washington Code 19.270.050 – Application and construction of RCW 19.270.020 (5) through (11) or 19.270.040

2015 Washington Code 19.270.050 – Application and construction of RCW 19.270.020 (5) through (11) or 19.270.040

2009 Washington Code 19.270.050 – Application and construction of RCW 19.270.020