Versions of Washington Code 28A.410.120 - Professional certification not required of superintendents or deputy or assistant superintendents on LawServer 2023 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2022 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2020 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2019 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2018 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2016 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2015 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2014 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2013 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents 2009 Washington Code 28A.410.120 – Professional certification not required of superintendents or deputy or assistant superintendents