There is nothing unlawful about determining the legality of an individual carrying a concealed weapon. It is illegal to carry a concealed weapon in the state of GA unless you have a GWL. Not everyone in the state has a GWL so it is reasonable in the ordinary course of business for LE to determine if you are a GWL carrier should they determine you to be carrying a concealed weapon. It will hold up in court. It has held up in court. It is probable cause and there is a legal precedent for it. If you think differently; you are wrong. Sorry.
Please show me these precedents.
It is unlawful for LE to "determine if you are a GWL carrier" during ordinary course of business, again absent RS or PC. Can they make up something for RS? Sure. Will it hold up in court, I can't say.