The 50-year-old head coach was sent to the stands for remonstrating with officials as Partenopei were beaten 4-2 by Juventus in the Supercoppa.
Mazzarri was handed a one-match ban, ruling him out of the league opener against Palermo, but saw the original punishment replaced by a fine.
A statement on the FIGC website read: "
"Appeals against the two-game bans for
Mazzarri was so incensed by the officials' performances in the Beijing showpiece that he and his players refused to attend the trophy presentation.
Napoli president Aurelio De Laurentiis insists there is 'nothing official yet' regarding its hunt for a coach amid widespread speculation Rafael Benitez will be the new man in the hotseat.