N.D. Cent. Code § 16.1-10-03: Political badge, button, or insignia at elections

No individual may buy, sell, give, or provide any political badge, button, or any insignia within a polling place or within one hundred feet [30.48 meters] from the entrance to the room containing the polling place while it is open for voting. No such political badge, button, or insignia may be worn within that same area while a polling place is open for voting.