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