Wash. Admin. Code § 392-160-015
(1) District procedures—Identification of primary language required: Every school district board of directors shall adopt written procedures governing the identification of each student's primary language and the determination of which students with a primary language other than English are eligible students. Such procedures shall include:
[Statutory Authority: RCW 28A.180.060. WSR 16-15-100, § 392-160-015, filed 7/20/16, effective 8/20/16. Statutory Authority: RCW 28A.180.010. WSR 08-19-039, § 392-160-015, filed 9/10/08, effective 10/11/08; WSR 08-09-071, § 392-160-015, filed 4/16/08, effective 5/17/08. Statutory Authority: Chapter 28A.180 RCW. WSR 91-17-008 (Order 12), § 392-160-015, filed 8/12/91, effective 9/12/91. Statutory Authority: RCW 28A.58.808. WSR 84-20-083 (Order 84-41), § 392-160-015, filed 10/2/84. Statutory Authority: RCW 28A.58.800 through 28A.58.810. WSR 84-13-027 (Order 84-17), § 392-160-015, filed 6/13/84. Statutory Authority: RCW 28A.58.804. WSR 81-15-089 (Order 81-4), § 392-160-015, filed 7/22/81. Statutory Authority: RCW 28A.58.808. WSR 80-07-039 (Order 80-21), § 392-160-015, filed 6/17/80.]