Chelsea and the Football Association have been sanctioned by FIFA's disciplinary committee for breaching regulations over the transfer of minors, the world governing body has announced.
The Blues have been banned from registering players for two consecutive transfer windows for 29 incidences of breaching article 19, which relates to the transfer of players aged under 18.
The London club were also fined 600,000 Swiss francs (over £460,000), while the FA has been fined 510,000 Swiss francs (over £390,000) for breaching the rules in connection with minors.
Chelsea also twice breached regulations relating to third-party influence, article 18bis, FIFA said.
However, Chelsea "categorically refute" Fifa's findings and intend to launch an appeal against the transfer ban and fine, the club have confirmed.
Prior instances of similar infractions involving other clubs have seen the clubs involved appeal against the penalties, delaying the implementation of a registration ban and allowing them to sign players.
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