In any case, the UEFA administration may reschedule matches if this ensures a match is played and allows the group stage to be completed accordingly. This should not jeopardise the schedule of any forthcoming matches in the competition or other UEFA competitions. Such decisions of the UEFA administration are final.
All group stage matches must be finished by 31 December 2021
If, for any reason, the group stage cannot be completed in accordance with this Annex J, the UEFA Executive Committee will decide on the principles for determining the clubs qualified for the Round of 16 and/or Knock-out round play-offs of the UEFA Champions League and/or the UEFA Europa League and/or the UEFA Europa Conference League.
Any unforeseen circumstances related to this Annex will be dealt with in accordance withof the present regulations.