FIFA said in a statement that it will "trial additional permanent substitutions for cases of actual or suspected concussion" at the competition in Qatar on 1-11 February.
Teams will be allowed a permanent substitution in concussion cases, with the player involved not allowed to return later in the game.
Vertonghen briefly tried to play on after an aerial collision involving teammate Toby Alderweireld and Ajax goalkeeper Andre Onana, but he soon had to be helped from the field and was seen vomiting on the pitch.
Premier League: Wolves' Raul Jimenez 'conscious, responding to treatment' after clash of heads with David Luiz
Jimenez received treatment from medics for 10 minutes on the pitch after colliding with David Luiz before being stretchered from the field early on in the game.
FIFA reviewing potential of more affordable Video Referee Assistance system for 'all levels of football'
The "Innovation and Excellence" working group of the world football body will present a "recommendation" for the implementation of this reform -- dubbed the "VAR 'light' concept" — to FIFA and IFAB, the International Football Association Board which is the guarantor of the laws of the game.
IFAB's technical and football advisory panels meet this month ahead of the 134th IFAB annual general meeting early next year
UEFA chief Ceferin's intervention came after a spate of penalties being awarded because balls have — even unwittingly — hit outstretched or raised arms.
Five-substitute rule to be in place in next season as well, say football lawmakers citing ‘impact on player welfare’
The five-substitute rule was introduced during the post-lockdown restart of football leagues in order to prevent player injury due to a condensed calendar.
FIFA take on direct responsibility of VAR regulation, hoping to implement it uniformly across all competitions
There have been some variations in the use of VAR in different competitions and national leagues, but Collina said there should be a uniform approach.
Italian Football Federation approves five substitutions rule for Serie A when league resumes on 20 June
The FIGC said in a statement that its decision-making council had agreed “to allow a maximum number of five substitutions to be made for each team in the scheduled competitions up to the end of the 2019/2020 season.”
Bundesliga: Teams allowed up to five substitutions per match, relegation and promotion to proceed as usual, says DFL
The Bundesliga will be the first major European league to resume when it gets going following a two-month break due to the COVID-19 pandemic
Football’s law-making body IFAB to conduct year-long review of offside law after controversial VAR calls
When football’s law-making body IFAB met last week, a decision that could massively impact the game at all levels passed barely noticed as the debate over VAR technology hogged the limelight.
Premier League expected to use pitchside monitors next season for VAR decisions, says IFAB technical director David Elleray
The Premier League is expected to switch next season to regular use of the pitchside monitor for VAR decisions, world football’s referee supremo David Elleray said
Football’s rule-making body IFAB to review change in VAR offside law, considering introduction of concussion subsitutes
While the Premier League has been reluctant to change the use of VAR during this campaign, to allow the use of pitchside monitors for subjective decisions, Elleray expects that change to be introduced next season
Arsene Wenger to suggest change to offside rule in IFAB meeting, hopes move will reduce controversial VAR decisions
FIFA’s head of global development Arsene Wenger will attempt to make a major change to the offside law which could end a run of contentious decisions in the game since the introduction of VAR
Premier League CEO Richard Masters says clubs will debate changes to VAR reviews, to be implemented in coming season
The use of VAR, introduced for this campaign in England’s top division, has been a source of constant controversy and criticism
Referees will now be instructed to view a pitchside monitor in two scenarios: when upgrading a yellow card to a red card or downgrading a red to a yellow.
Football’s rule-making-body IFAB will not police the way VAR (video assistant referees) is implemented in different leagues, despite continued controversy over the use of the technology in the Premier League.
IFAB will discuss topics ranging from the use of the Video Assistant Referee (VAR) and player concussion management to proposed law changes at its annual business meeting in Belfast on 3 December
Arsene Wenger accepted FIFA’s offer more than two months after it was first reported, and one week after talks with Bayern Munich about the German champion’s vacant head coach job