2023 Washington Code 28A.225.240 – Apportionment credit

2022 Washington Code 28A.225.240 – Apportionment credit

2020 Washington Code 28A.225.240 – Apportionment credit

2019 Washington Code 28A.225.240 – Apportionment credit

2018 Washington Code 28A.225.240 – Apportionment credit

2016 Washington Code 28A.225.240 – Apportionment credit

2015 Washington Code 28A.225.240 – Apportionment credit

2014 Washington Code 28A.225.240 – Apportionment credit

2013 Washington Code 28A.225.240 – Apportionment credit

2009 Washington Code 28A.225.240 – Apportionment credit