Watford boss Marco Silva has spoken to his players about retrospective bans for diving.
Players face two-match suspensions if they are deemed to have successfully deceived match officials under the new law that kicked in this season.
While Hornets winger Richarlison was cleared of any wrongdoing after earning a contentious penalty against Arsenal last month, Everton striker Oumar Niasse this week became the first Premier League player punished under the rules after winning a spot-kick at Crystal Palace last weekend.
When asked if he had talked to his squad about potential sanctions for simulation, Silva replied: 'Yes, sure.