Wash. Admin. Code § 392-172A-05170
Statutory Authority: RCW 28A.155.090 and 34 C.F.R. Part 300 . 09-20-053, § 392-172A-05170, filed 10/1/09, effective 11/1/09. Statutory Authority: RCW 28A.155.090(7) and 42 U.S.C. 1400 et. seq. 07-14-078, § 392-172A-05170, filed 6/29/07, effective 7/30/07.