Wash. Admin. Code § 392-141-380
The superintendent shall adjust the amount of the transportation operation allocation for low ridership, nonhigh, districts in interdistrict transportation cooperatives, and educational service districts operating special transportation services in the following manner:
[Statutory Authority: RCW 28A.150.290. WSR 16-05-062, § 392-141-380, filed 2/12/16, effective 3/14/16; WSR 15-11-075, § 392-141-380, filed 5/19/15, effective 6/19/15; WSR 13-17-110, § 392-141-380, filed 8/21/13, effective 9/21/13; WSR 11-15-007, § 392-141-380, filed 7/7/11, effective 8/7/11.]