Versions of Washington Code 28A.410.225 - Washington professional educator standards board -- Endorsement requirements -- Teachers of deaf and hard of hearing students on LawServer 2023 Washington Code 28A.410.225 – Washington professional educator standards board — Endorsement requirements — Teachers of deaf and hard of hearing students 2022 Washington Code 28A.410.225 – Washington professional educator standards board–Endorsement requirements–Teachers of deaf and hard of hearing students 2020 Washington Code 28A.410.225 – Washington professional educator standards board — Endorsement requirements — Teachers of deaf and hard of hearing students 2019 Washington Code 28A.410.225 – Washington professional educator standards board — Endorsement requirements — Teachers of deaf and hard of hearing students 2018 Washington Code 28A.410.225 – Washington professional educator standards board — Endorsement requirements — Teachers of deaf and hard of hearing students 2016 Washington Code 28A.410.225 – Washington professional educator standards board–Endorsement requirements–Teachers of deaf and hard of hearing students 2015 Washington Code 28A.410.225 – Washington professional educator standards board–Endorsement requirements–Teachers of deaf and hard of hearing students 2014 Washington Code 28A.410.225 – Washington professional educator standards board — Endorsement requirements — Teachers of deaf and hard of hearing students 2013 Washington Code 28A.410.225 – Washington professional educator standards board — Endorsement requirements — Teachers of deaf and hard of hearing students 2009 Washington Code 28A.410.225 – Washington professional educator standards board — Endorsement requirements — Teachers of deaf and hard of hearing students