[Statutory Authority: RCW
28A.155.090. WSR 21-19-065, § 392-172A-06050, filed 9/14/21, effective 10/15/21. Statutory Authority: RCW
28A.155.090 and 34 C.F.R. Part 300. WSR 13-20-034, § 392-172A-06050, filed 9/24/13, effective 10/25/13. Statutory Authority: RCW
28A.155.090(7) and 42 U.S.C. 1400 et. seq. WSR 07-14-078, § 392-172A-06050, filed 6/29/07, effective 7/30/07.]