For all competition matches, teams must submit the agreed playing attire colours to be worn for each match via the dedicated online tool. The home club has the first choice as to which of its official sets of playing attire registered via the dedicated online tool it wears for its home matches.
In the qualifying phase, the proposed colours will be validated on site by the referee team.
As of the finals, the proposed colours will be validated in advance by the UEFA administration.
In any case, if the referee notices on the spot that the colours of the two teams could lead to confusion, a final decision on the colours is taken in consultation with the UEFA match delegate and the UEFA administration.
Any outfield player replacing the goalkeeper and playing as a flying goalkeeper must wear the exact same goalkeeper’s shirt, but with the outfield player’s own number on the back.