<P> The transfer window is the period during the year in which a football club can transfer players from other countries into their playing staff . Such a transfer is completed by registering the player into the new club through FIFA . "Transfer window" is the unofficial term commonly used by the media for the concept of "registration period" as described in the FIFA Regulations on the Status and Transfer of Player . According to the rules, each national football association decides on the time (such as the dates) of the' window' but it may not exceed 12 weeks . The second registration period occurs during the season and may not exceed four weeks . </P> <P> The transfer window of a given football association governs only international transfers into that football association . International transfers out of an association are always possible to those associations that have an open window . The transfer window of the association that the player is leaving does not have to be open . </P>

When does the transfer window end for soccer
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