They should wear a lanyard or a badge that says "God dangit!! I've been tested and I'm covid free dangit!!" In smaller font "it's ok if I cough on you"

Not sure if masks are mandatory anywhere are they? I see people freely walking around, some masked up, some not. In places that have a sign saying be a good egg and mask up. No one gets forcibly removed from anywhere. Not that I've seen anyway.