Versions of See prior versions of a law on LawServer 2023 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2022 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2020 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2019 Washington Code 90.54.080 2018 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2016 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2015 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2014 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2013 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies 2009 Washington Code 90.54.080 – State to vigorously represent its interests before federal agencies, interstate agencies