2023 Washington Code 84.12.300 – Valuation of interstate utility — Apportionment of system value to state

2022 Washington Code 84.12.300 – Valuation of interstate utility–Apportionment of system value to state

2020 Washington Code 84.12.300 – Valuation of interstate utility — Apportionment of system value to state

2019 Washington Code 84.12.300

2018 Washington Code 84.12.300 – Valuation of interstate utility — Apportionment of system value to state

2016 Washington Code 84.12.300 – Valuation of interstate utility–Apportionment of system value to state

2015 Washington Code 84.12.300 – Valuation of interstate utility–Apportionment of system value to state

2014 Washington Code 84.12.300 – Valuation of interstate utility — Apportionment of system value to state

2013 Washington Code 84.12.300 – Valuation of interstate utility — Apportionment of system value to state

2009 Washington Code 84.12.300 – Valuation of interstate utility — Apportionment of system value to state