Is there a dress code

Yes there is, Business casual. No ripped pants, no tennis shoes and no hats.

There is no dress code

I would say go for business casual but honestly, Go for anything that suits you.

Yes, business casual!!!!

Business casual.

Definitely business casual unless you go to the bar seating (96th floor), not as strict there.

Business causal. For gentleman I would say anything with a colar