"The use of a mask or face covering should not be seen as a substitute for social distancing," Costco said on its website. "Please continue to observe rules regarding appropriate distancing while on Costco premises."
Costco has already limited the number of customers to no more than two people per membership card, and is not accepting returns on specific items, including toilet paper, bottled water, sanitizing wipes, paper towels, rice and disinfectant spray.
About the Author