2023 Washington Code 28A.225.010 – Attendance mandatory — Age — Exceptions

2022 Washington Code 28A.225.010 – Attendance mandatory–Age–Exceptions

2020 Washington Code 28A.225.010 – Attendance mandatory — Age — Exceptions

2019 Washington Code 28A.225.010 – Attendance mandatory — Age — Exceptions

2018 Washington Code 28A.225.010 – Attendance mandatory — Age — Exceptions

2016 Washington Code 28A.225.010 – Attendance mandatory–Age–Exceptions

2015 Washington Code 28A.225.010 – Attendance mandatory–Age–Exceptions

2014 Washington Code 28A.225.010 – Attendance mandatory — Age — Exceptions

2013 Washington Code 28A.225.010 – Attendance mandatory — Age — Exceptions

2009 Washington Code 28A.225.010 – Attendance mandatory — Age — Exceptions