UEFA has finalized significant updates to its Video Assistant Referee (VAR) rules ahead of the upcoming European club season. The regulatory changes, which impact the Champions League, Europa League, and Conference League, establish a clear boundary between European officiating and the broader interpretations witnessed during the 2026 FIFA World Cup.
Most notably, UEFA has refined the definition of “mistaken identity” and explicitly rejected FIFA’s controversial policy regarding players covering their mouths.
What are the new VAR rules set for the upcoming UEFA competitions?
Strict Boundaries Set for Mistaken Identity and Simulation
The most critical adjustment targets how VAR handles cases of mistaken identity. While the International Football Association Board (IFAB) recently updated its protocol to let referees reassign wrongfully issued yellow and red cards, UEFA has ruled that simulation (diving) does not fall under this umbrella.
This decision directly responds to two major controversies at the 2026 World Cup:
- USA vs. Paraguay: American defender Tim Ream was mistakenly booked before VAR intervened, rescinding his card and instead penalizing Paraguay’s Miguel Almirón for diving.
- Switzerland vs. Argentina: Swiss forward Breel Embolo received a decisive second yellow card after VAR determined he initiated contact rather than being fouled. Argentina went on to win the quarter-final match 3-1 in extra time.
While these interventions were praised by some for penalizing simulation, various domestic leagues warned that the expanded protocol could overcomplicate the game. UEFA has sided with the skeptics, decreeing that mistaken identity must only apply to objective errors – such as booking the wrong player entirely – rather than subjective debates over diving versus fouling. Under these new guidelines, European referees must conduct an on-field review for simulation rather than letting VAR automatically reclassify the infraction.
Rejecting Red Cards for Covered Mouths
UEFA has also distanced itself from FIFA’s optional directive that permits referees to send off players who cover their mouths during arguments. Championed by FIFA President Gianni Infantino ahead of the 2026 World Cup, the rule aimed to curb verbal abuse by stopping players from hiding their words from lip-readers or cameras. The mandate led to tournament red cards for Ecuador’s Piero Hincapié and Paraguay’s Miguel Almirón following VAR checks.
European competitions will not adopt this policy. Instead, referees will evaluate these interactions case-by-case, retaining the right to issue a yellow card if mouth-covering is used unsportingly. Serious allegations of verbal abuse will continue to be investigated post-match by UEFA’s disciplinary committee.
VAR Correct Wrongful Corner Kicks
In a move that aligns with FIFA’s recent updates, UEFA will now allow VAR to step in when a corner kick is incorrectly awarded.
However, UEFA’s application will be strictly limited. The video review will only verify which player got the final touch before the ball crossed the goal line. VAR officials will not look back at earlier phases of play or potential offside positions leading up to the decision.
This streamlined approach is intended to correct obvious errors without causing lengthy match delays. UEFA is scheduled to brief the chief referees of its 54 member associations on these finalized protocols next week, with the ultimate goal of fostering consistency across Europe while avoiding the officiating controversies that shadowed the World Cup.
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