The 2026 FIFA World Cup arrives with the biggest batch of rule changes football has seen in years.
Here is every significant change, grouped by what it affects on the pitch.
The new 48-team format and tiebreakers
This is the first World Cup with 48 teams, expanded from 32. The teams are split into 12 groups of four, playing 104 matches in total.
The top two from each group advance to a new Round of 32, joined by the eight best third-placed teams. Winning the final now requires eight matches instead of seven.
When teams finish level on points, the first tiebreaker for 2026 is the head-to-head record between the tied teams, according to Article 13 of FIFA’s official 2026 regulations — points, then goal difference, then goals scored — applied before overall goal difference for the first time.
If teams are still level, FIFA uses overall goal difference, goals scored, fair play record (based on yellow and red cards), and finally the FIFA World Ranking. Drawing of lots has been removed entirely for 2026.
For the full order, plus how the eight best third-placed teams are ranked, see our dedicated guide to the World Cup 2026 tiebreaker rules.
Red cards and player behaviour
Two brand-new sending-off offences target player conduct for the first time at a World Cup. Both were introduced to clamp down on confrontation and protest.
- Covering your mouth in confrontation: any player who uses a hand, arm or shirt to cover their mouth while confronting an opponent will be shown a red card.
- Leaving the field in protest: a player who deliberately leaves the pitch to protest a refereeing decision is sent off, and the rule also applies to coaches who encourage it.
The mouth-covering rule traces back to a Champions League incident involving VinÃcius Júnior, as reported by NBC New York. Players can still cover their mouths for normal conversation — the trigger is confrontation.
The protest rule has real teeth. If a team forces a match to be abandoned by walking off, they would have to forfeit the game.
Expanded VAR and new technology
VAR can now intervene in several situations it previously could not touch. The IFAB approved three protocol changes for these reviews.
- Second yellow cards: VAR can advise the referee to overturn a red card that came from a clearly incorrect second caution.
- Mistaken identity: VAR can step in when a card is shown to the wrong player for another player’s offence.
- Corner kicks: a clearly wrongly awarded corner can be corrected, provided the review does not delay the restart.
FIFA has gone a step further at the World Cup, where VAR can also review attacking fouls that occur before a dead-ball restart. Previously no foul counted until the ball was live again.
On the technology side, the IFAB has approved referee body cameras as a competition option, with organisers controlling the footage. Semi-automated offside technology also continues in use.
Match flow and time-wasting
A package of timing rules now attacks the dead-ball delays that frustrate fans. Referees have new powers to keep the ball moving.
- Throw-ins and goal kicks: if a restart is being delayed, the referee starts a five-second visual countdown. A late throw-in is handed to the opponents, and a late goal kick becomes a corner.
- Substitutions: a substituted player must leave the field within 10 seconds. If not, the replacement cannot enter until the first stoppage after one minute has elapsed, leaving the team temporarily a player short.
Injury delays are also targeted. A player who receives on-field treatment, or whose injury stops play, must leave the pitch and stay off for one minute after play restarts.
Exceptions apply for collisions, serious injuries and goalkeepers, as NBC New York notes. The aim is to deter players from faking injury to run down the clock.
Cooling breaks in every match
Every 2026 World Cup match now has two mandatory cooling breaks, one in each half. They happen regardless of the weather or whether the game is indoors.
Each break lasts about three minutes and falls around the 22-minute and 67-minute marks, taken at the next natural stoppage. With matches spread across hot North American venues, the breaks let players rehydrate and recover.
Cards, suspensions and the clean slate
The disciplinary system has been redesigned for the longer 48-team tournament. The headline is that card tallies are wiped clean twice during the World Cup.
A player is suspended for one match after picking up two yellow cards in separate games. Crucially, yellow cards from the group stage do not carry into the knockout rounds.
Card counts reset at two points: after the group stage and after the quarter-finals, according to MLSSoccer.com. This means no player heads into the semi-finals carrying a yellow.
One catch remains. A second booking picked up in the quarter-final still triggers a ban, so a player can miss the semi-final even though the reset follows that round.
Goals, penalties and restarts
Several clarifications affect how goals and key restarts are judged, drawn from the Laws of the Game 2026/27.
- Denying a goal-scoring opportunity: if the referee plays advantage on what would have been a last-man foul and a goal is then scored, the offending player is no longer cautioned, because no goal was actually prevented.
- Penalty double touch: the laws now incorporate the clarification on an accidental double touch by the penalty taker.
- Dropped ball: the ball is dropped for the team that would have kept or gained possession had play not been stopped.
Knockout matches still cannot end level. If scores are tied after 90 minutes, the game goes to two 15-minute periods of extra time, with an extra substitution allowed, before a penalty shootout decides it.
Travelling to the World Cup
The tournament is hosted across 16 cities in the USA, Canada and Mexico, with the final on 19 July at New York New Jersey Stadium. If you are planning to attend, it pays to lock in travel early.
You can compare fares using flights to New York or track schedules into key hubs like Los Angeles, Miami, Dallas, Mexico City and Toronto.
For somewhere to stay around match days, browse hotels in New York and hotels in Los Angeles, and check live status anytime on the Wego flight tracker.
Frequently Asked Questions
Can a player really be sent off for covering their mouth?
Yes, but only when confronting an opponent. Covering your mouth for a normal conversation, so opponents cannot read your lips, is still allowed.
When do yellow cards reset during the tournament?
Card counts are wiped clean twice: after the group stage and after the quarter-finals. A second booking in the quarter-final still earns a suspension for the semi-final, though.
What happens if a substitution takes too long?
The player coming off must leave within 10 seconds. If they dawdle, the replacement cannot come on until the first stoppage after one minute, so the team plays short in the meantime.
Are the cooling breaks only for hot-weather games?
No. Every match gets two breaks of around three minutes, one per half, regardless of weather or whether the venue is indoors.
Sources
- The IFAB — Measures to Improve Match Flow and Player Behaviour (Laws of the Game 2026/27)
- The IFAB — Changes to the Laws of the Game 2026/27
- FIFA — World Cup 2026 Groups, Qualification Rules and Tie-Breakers
- FIFA — When Will Yellow Cards Reset at FIFA World Cup 2026?
- FOX Sports — Ultimate World Cup Rules Guide: Tiebreakers, VAR, Cooling Breaks and More
- NBC New York — New Rules for the 2026 World Cup: Covering Mouths, Subs and More
- MLSSoccer.com — 2026 FIFA World Cup Yellow Card and Suspension Rules
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