The group stage squads were submitted on Tuesday – we explain the process.
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The summer transfer window has shut, with the UEFA Champions League sides registering their group stage squads before Tuesday's deadline. Who can they include and how does it work?
When do clubs submit their squads?
Every club must submit two lists of players, including details such as shirt number, date of birth and nationality. List A must be submitted to the relevant association to be verified, validated and forwarded to UEFA by 24:00 CEST on Tuesday 3 September. The same process applies to List B (more details below), which must be submitted no later than 24:00 CET the day before each match.
When does the transfer window close?
At 24:00 CEST on Tuesday. The last domestic transfer windows involving UEFA Champions League group stage teams closed on Monday night.
Who can be on List A?
A maximum of 25 players, two of whom must be goalkeepers. There are a minimum of eight places reserved exclusively for 'locally trained players'. If a club have fewer than eight locally trained players in their squad, then the maximum number of players on List A is reduced accordingly.
What's a 'locally trained player'?
There are two categories:
1. Club-trained players – players who were on a club's books for three years between the ages of 15 and 21;
2. Association-trained players – players who were on another club's books in the same association for three years between the ages of 15 and 21. No club can have more than four association-trained players among their eight 'local' nominees on List A.
What is List B?
A player may be registered on List B if he is born on, or after, 1 January 1998 and has been eligible to play for the club concerned for any uninterrupted period of two years since his 15th birthday (players aged 16 may be submitted if they have been registered with the club for the previous two years). Clubs are entitled to register an unlimited number of players on List B during the season, but the list must be submitted by no later than 24:00CET the day before a match.
Can clubs change their squads again this season?
Yes ... if they get through to the knockout stage. Ahead of the round of 16, by midnight on 3 February, clubs can register a maximum of three new players. The overall limit of 25 players on List A remains, though.
Is that it?
Not necessarily. If a club cannot count on the services of at least two goalkeepers registered on List A because of long-term injury or illness (i.e. one that lasts 30 days), a club can temporarily replace him at any time during the season.