At least once annually, rail plan holders shall review the entire plan for accuracy and either:

1. (1) Update and submit the amended page(s) of the plan to ecology for review and approval; or
2. (2) If no plan changes are needed, provide a letter to ecology confirming that the existing plan is still accurate.

[Statutory Authority: RCW 90.56.210. WSR 16-18-052 (Order 15-14), § 173-186-130, filed 8/31/16, effective 10/1/16.]