Every New Rule at World Cup 2026 Explained: What Fans Need to Know Before June 11

FIFA has introduced the most significant rule changes in decades ahead of World Cup 2026. From a new red card for covering your mouth to ten-second substitution windows, the tournament that kicks off on June 11 will look and feel different from any previous edition.

Here is a complete breakdown of every change you need to know before the first ball is kicked.

Red card for players covering their mouth

This is the headline change. Any player caught covering their mouth while communicating on the pitch — a tactic used to prevent lip-reading by opponents or cameras — will receive an automatic red card. FIFA introduced this rule following incidents at the 2022 World Cup where players were seen using their shirts or hands to shield conversations. Referees have been specifically briefed to enforce this without warnings.

Ten-second substitution clock

Teams making a substitution now have a ten-second window to complete the change once the fourth official signals the switch. If the outgoing player is seen to delay, referees are instructed to issue a yellow card. This was trialled in several UEFA competitions during 2024-25 and reduces the time-wasting that became a fixture of major tournaments.

Expanded VAR protocol

VAR has been upgraded with a new protocol allowing the on-field referee to review footage directly at the pitchside monitor for any incident involving a potential straight red card. The review window is capped at ninety seconds. The Video Assistant Referee can no longer recommend an on-field review for yellow card decisions — only for red card situations and clear goal-line errors.

Goal kick possession rule

Opponents are no longer required to leave the penalty area before a goal kick is taken. Defending teams can play short immediately, but opponents can challenge for the ball inside the box the moment it is touched. This change mirrors the law that already applies to free kicks taken inside the penalty area and is designed to open up goalkeeping build-up play.

Heading restriction zones

In a significant concession to player welfare research, FIFA has introduced heading restrictions during training sessions for all squads at World Cup 2026. Match heading rules remain unchanged, but medical teams from each federation must submit weekly logs confirming compliance. This is the first time a heading-related welfare measure has been formally applied at a World Cup.

Injury time display standard

Each half must display a minimum of five minutes of injury time on the electronic board regardless of actual stoppages. If stoppages exceed that figure, additional time is shown and enforced. This standardises the approach used at the 2022 Qatar World Cup, where extended injury time was added consistently and attracted widespread attention.

What has not changed

The handball rule remains in its current form following multiple revisions since 2019. The offside line has not been adjusted. The number of substitutions permitted per team remains five, with a sixth permitted only in matches that go to extra time.

For the full schedule and group fixtures visit the World Cup 2026 schedule page. To check which group each team is playing in, see the groups page.