Earlier quoted context omitted.
The state of Massachusetts no longer operates toll booths along some of its toll roads. You either have an EZ Pass, or (for +$0.60 more) you get a photo taken of your plate, and a bill mailed to you, which is online or check only, no cash option. Or you stay off the toll roads, I guess. IDK what NY's policy is, but it is rather hard to cross the southern Hudson without toll. If you're renting a car, and you don't hav…
If Massachusetts says you owe money, they must accept cash. That's the point of cash being "legal tender", you cannot refuse it if someone is trying to settle a debt. That said, it might be really hard to figure out how to pay in cash.
Something like EZ pass seems potentially gray area; can they just say "well don't use these roads if you don't like the payment terms" ?
I suspect you are right that with a state agency they probably have to provide some way for you to settle a debt (plus possible penalties) in cash, but they don't have to make it convenient.