It depends on the meeting that you attend. Most events in the Rainbow Room are formal though
You can wear a normal shirt. It is not necessary to wear a shirt and tie
Ive seen people there with shorts actually. We went decked out to the 9s and were disappointed to see others in casual attire. However, everyone that had a table was dressed in business/business casual. Those who dress casual were at standing tables and the bar when we were there
You can go with that. I went with shorts. But I just went for drinks
Business casual... No jacket required. Shirt and slacks fine, no jeans
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