Wash. Admin. Code § 220-358-040
It is unlawful to fish for sturgeon in the lower Columbia River for commercial purposes or to possess sturgeon taken from those waters for commercial purposes, except as provided in this section:
Gear
(4) From December 1 through March 31 it is lawful for sturgeon fishers to have smelt or salmon gillnets aboard while fishing for sturgeon.
General
[Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.020, 77.04.055, and 77.12.047. WSR 17-05-112 (Order 17-04), recodified as § 220-358-040, filed 2/15/17, effective 3/18/17. Statutory Authority: RCW 77.12.047. WSR 07-21-128 (Order 07-266), § 220-33-020, filed 10/23/07, effective 11/23/07; WSR 00-17-117 (Order 00-146), § 220-33-020, filed 8/17/00, effective 9/17/00. Statutory Authority: RCW 75.08.080. WSR 97-07-043 (Order 97-51), § 220-33-020, filed 3/14/97, effective 4/14/97; WSR 88-18-066 (Order 88-86), § 220-33-020, filed 9/2/88.]