Dressy, no jeans. Tie optional
You can wear anything. I went in bball shorts last summer; however, most dress in church like attire.
Dressy to casual, ties and jackets optional
I'm a rebel and will wear a T-shirt to a Ruth's Chris steakhouse. They won't refuse you if you have clothes on was my experience having worn jeans here.
You can wear anything you like but most people wear business casual. That is what is most appropriate
You can wear anything
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