2023 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2022 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2020 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2019 Washington Code 74.20.160

2018 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2016 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2015 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2014 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2013 Washington Code 74.20.160 – Department may disclose information to internal revenue department

2009 Washington Code 74.20.160 – Department may disclose information to internal revenue department