From "FN0653-Recreational - Salmon - Chinook Management Measures - Southeast Vancouver Island - Areas 18, 19, 20, and Subareas 29-3 to 29-5 - effective August 1, 2023; and Subareas 20-1, 20-2, Effective July 15, 2023" which you may find here (my bold highlight):
AREA 19 Chinook retention...