This question becomes complicated in NH.
No disabled permit required for crossbow archery hunting in Unit M of NH. All other zones require disabled permit to do so. Once disabled permitted a person is required to stick with their crossbow for archery season.
Then there is the permited use of a crossbow during other seasons with what was a $5 permit.
I like what Vermont has done with the 50yo or older you can hunt with a crossbow, younger then that you need the doctors note thing. I wish they'd take it a step further and allow kids 15yo and younger to also be able to use them with adult supervision.