Chelsea have been given a two transfer window ban by FIFA for breaching the rules around transfer minors.
The West London club have been found to have breached article 18 regarding two further minors.
They have also been fined 600,000 Swiss francs (528,800 euro), while the Football Association has been fined 510,000 Swiss francs.
The ban does not prevent the release of players and will not apply to Chelsea's women's and futsal teams.
The Premier League Club have been given three days to appeal against the world governing body's decision.
It comes following a Fifa investigation into the Blues' signing of foreign under-18 players, including former striker Bertrand Traore.
Based on documents from Football Leaks, French website Mediapart claimed 19 Chelsea signings had been looked at in a three-year-long investigation.
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