I use my transponder for what ever car I'm in. Its a new york based pass but never had any issue.
Hey. Just a quick FYI for those that may not know and may want to save a some money driving in the tri-state area.
I decided to get both the NJ EZPASS (issued by NJTPA) and the NY (PANYNJ) EZPASS a few years ago
I use both them in the same car because you get the discounted toll rate for driving in NYS only when you have a NY-issued EZPASS.
Same thing occurs when driving in NJ. You only get the NJ "discounted EZPASS" rate when using a NJ-issued EZPASS.
It adds up when you drive a lot in both states as the discounted toll rate is at least 25% from the "standard/cash/out-of-state EZPASS" rate. It does takes some work reminding yourself to swap them when you cross the GWB/tunnels. lol