UEFA is calling for all clubs in the competition to be in full agreement on the format, starting with Juventus, which is due to play in its first Champions League group game on Saturday against Real Madrid.
The governing body said the rules would have to be “balanced against” the interests of the clubs involved.
“The UEFA Commission and the European Commission have unanimously concluded that the competition must provide equal opportunities for the players of the four European footballing nations and the players’ associations of these nations,” it said in a statement.
As a result, the UEFA Commission has requested all clubs from the four participating nations to take part in the group stage of the competition and the rules for the group stages must be agreed by all clubs.”””
This balance must be reflected in the format of the Champions league group stage.”
As a result, the UEFA Commission has requested all clubs from the four participating nations to take part in the group stage of the competition and the rules for the group stages must be agreed by all clubs.””
The groups will be divided into two groups of four, with the group winners advancing to the knockout stage and the group losers relegated to the group of death.
“All the remaining clubs will be required to participate in the UEFA Champions League Group Stage.”
According to the UEFA statement, the format will not change during the group phase, as teams from the group with the highest points total will be guaranteed a place in the knockout stages.
The Europa League will be played on December 3 and is the next step in the cycle of European football.
Juventus, who were beaten 2-1 at the Bernabeu in the first leg of their Champions League quarter-final, have already announced they will not play in a group stage game.
The Bianconeri, who are currently second in Serie A, play their next three matches at home to Juventus on Saturday, March 12, at 1.30pm, and against Atalanta in their next match, at 5.30am on Tuesday, March 14.