a contravention of the regulations renders speakers and organizers of demonstrations liable to fines of up to $10,000, or incarceration of up to six months. the penalty for displaying anything violent, lewd or obscene at a demonstration is a fine not exceeding $3,000 or, on a subsequent conviction, $5,000. events which adhere to the regulations are also not immune from other existing laws such as those relating to defamation and sedition.