New York City is pretty aggressive about this and has been for at least 7-8 years...at least if you work for a bank headquartered there. I had to provide a sep

New York City is pretty aggressive about this and has been for at least 7-8 years...at least if you work for a bank headquartered there. I had to provide a separate attestation that I did or did not work over a certain amount of time and, if so, had a bunch of extra paperwork to do. In my case it was a privately funded trip, nobody at my company had any clue where I was beyond the ones I told.