I believe you are supposed too
Yes, today when I was there a man was entering the store without a mask. The employee pulled him aside and explained that he must put a mask on. He forgot his mask at home. They went a gave him a disposable mask to wear.
Yes in PA
Yes you do
As you enter a Establishment they will post mask requirements
Yes, you are supposed to be wearing a mask to enter the store, but I have not seen anyone getting kicked out for not wearing one.
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