2023 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2022 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2020 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2019 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2018 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2016 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2015 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2014 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program

2013 Washington Code > Chapter 28A.180 – Transitional bilingual instruction program