alt Hacker NewsI would blatantly ignore that law. I am in a position to easily fight a state entity with legal resources. They definitely cannot regulate that constitutionally. As a private citizen I am not posting notices. It is bad law that doesn't protect anyone and erodes protected rights.
Maybe they can't regulate that "constitutionally" (for your understanding of that document, which has no legal weight).
They still might be able to regulate it for all practical purposes.