Sorry, but that is a BS regulation and justification. The only unmarked fall Chinook (other than perhaps a double index tag group) coming back to the Cowlitz this year are 5-year olds and they generally make up ~5% of the returning population. Sorry, but that is a fact. The WDFW just folded to a small group of local screamers like they always do. If you don't believe me, ask yourself this. How could the department even know if there were a bunch of unmarked hatchery fall Chinook returning? Can't use scale reading to check freshwater growth rates like you can for hatchery coho.