Stein,
I get what your saying, except hunting license/tags are for the taking an animal that is owned by the public (we own the animals regardless of land ownership), and restrictions such as discharging a firearm are safety rules that can be put into place, again actions can be restricted (hunting in city limits, discharging guns, no fires, etc) but the main difference I was pointing out is the requirement of a written note allowing someone permission to be on private property (regardless of their activity). I don't think the government can require a written note by a landowner to allow a person on their land, its the landowners right to allow anyone they want without the governments approval/notice/input.
And before others mention the "hunt by written permission" program, that is voluntary program not a requirement.
Grade