All displays and other materials posted in the window(s) or door(s) should be arranged to provide an unobstructed view of the cash register if it is visible from the street. [Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060, and chapter 49.17 RCW. WSR 14-09-095, ?? 296-832-30010, filed 4/22/14, effective 7/1/14.