Business Casual works fine.
It doesn't matter, if you have the money to eat there you can wear what you feel comfortable in.
Fedora, Black Suit,Black Tie and arrive in black Lincoln town car.
Casual dress is acceptable, but you probably want to dress like your peers to be comfortable.
It is a nice place, but there is not really a dress code. I wore shorts and a tee last time I was there.
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