FIFA's disciplinary code allows action to be taken retrospectively via video evidence even if the incident has been seen by the referee. Article 77 of FIFA's disciplinary code states the disciplinary committee is responsible for "sanctioning serious infringements which have escaped the match officials' attention" and "rectifying obvious errors in the referee's disciplinary decisions."
Italy boss Cesare Prandelli -- who went on to resign -- confirmed he had seen the bite marks. He said: "I didn't see Suarez biting him but I saw the bite-marks on his shoulder but the referee's assistants were so busy they didn't see anything.