Brazil have lodged an appeal against captain Thiago Silva’s yellow card that means he is suspended for Tuesday’s World Cup semi-final against Germany.
The defender was booked in Friday’s win against Colombia.
It was the 29-year-old Silva’s second yellow of the tournament, meaning he is automatically suspended for one match.
Fifa spokesman Delia Fischer says its disciplinary committee is “analysing materials” submitted by the Brazilian football confederation.
Silva was booked for blocking Colombia goalkeeper David Ospina’s attempt to take a kick.
He had scored the opener as Brazil won 2-1 to progress to the last four.
Brazil’s chances of a successful appeal appear limited as, historically, only red cards have been rescinded.
The hosts are already without their star forward Neymar for the rest of the World Cup after he fractured a vertebra in his spine against Colombia.