My experience with non commercial photographs enjoyable. However, anything beyond a basic - Hello, from Brooklyn, NYC I would check with the information desk.
If it's for your family to show that you are in NYC as a visitor, no problem. But for commercial use. Big problem. You must go through the media office.
Speak to security first. If you have a DSLR camera they assume it is commercial photography and stop you.
Photos are permitted at risk of legal permutations.
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