Apex football body FIFA and the International Football Association Board (IFAB), which set the rules, have issued new guidelines ahead of the restart of the Bundesliga.
European soccer's governing body has so far resisted implementation of the VAR system, which allows key incidents to be reviewed with the use of video replays and was used at the World Cup in Russia this year.
The sight of Tunisia defenders wrestling England's Harry Kane to the ground in the penalty area without punishment during Monday's World Cup Group G match has raised more questions about the worth of the Video Assistant Referee (VAR).
Manchester City had a late goal from Gabriel Jesus ruled out by VAR video review as they drew 2-2 at home to Tottenham Hotspur on Saturday -- their first league home game without victory in nearly eight months.
Juventus substitute Cristiano Ronaldo was denied a stoppage-time winner by VAR as Udinese came from two goals down to snatch a 2-2 draw in their thrilling Serie A season opener on Sunday.
The Video Assistant Referee (VAR) was used for the first time in a World Cup final to award France a 38th-minute penalty which Antoine Griezmann scored to give them a 2-1 lead over Croatia.
IMAGES from the UEFA Champions League matches played on Wednesday
Barcelona suffered a shock 1-0 LaLiga defeat at Real Sociedad on Sunday that ended their seven-match winning streak in all competitions.
Magnificent Martinez helps Inter defeat Sparta Prague 1-0
A brilliantly-worked goal by Ryan Christie and a Justin Kluivert penalty gave Bournemouth shock 2-0 Premier League win at home to 10-man Arsenal.
Images from Sunday's action in the English Premier League.
Julen Lopetegui's side were awarded a penalty early in the game after a VAR review determined forward Nolito had been fouled by Valladolid's Javi Moyano as he shaped to shoot, even though his team mates had barely appealed for a foul.
Wolverhampton Wanderers had a goal controversially ruled out by VAR as they were held to a 0-0 draw at home to Leicester City, who finished with 10 men, in the Premier League on Friday.
Images from the Serie A and La Liga matches played on Saturday.
A second-half double from Antoine Griezmann earned Atletico Madrid a stunning 4-3 comeback home win over Sevilla in LaLiga on Sunday.
Many were hoping that with Vajpayee's NDA gone, there would be a return to the Congress normal. Nobody was prepared for the opposite. Sonia Gandhi was sceptical. This became the only issue over which Manmohan Singh took on his party bosses and risked his government. Politically, it was riskier than the 1991 reform, recalls Shekhar Gupta.
The following factbox details five times a Video Assistant Referee (VAR) made an impact at the World Cup.
Images from Thursday's action in the Premier League.
A summary of Saturday's action in the Premier League.
Letexier will be joined at Sunday's final by French assistants Cyril Mugnier and Mehdi Rahmouni, while Szymon Marciniak (Poland) will be fourth official.
IMAGES from the English Premier League match played between Arsenal and Chelsea at Emirates Stadium in London on Sunday.
Villa remain fourth on 56 points, three points above Spurs in fifth, having played a game more. West Ham are seventh on 44, three points behind sixth-placed Manchester United who have a game in hand.
While the tournament saw the emergence of young stars, the usual suspects, the big names flattered to deceive.
Dinamo Zagreb and Celtic played out a lifeless 0-0 draw in the Champions League on Tuesday, with Celtic keeper Kasper Schmeichel producing the match's memorable moment with a late save.
Arsenal emerged victorious over Tottenham Hotspur at their rivals' home ground. Gabriel Magalhaes' decisive header in the second half proved to be the difference-maker
Spain secured the gold medal in the Olympic men's soccer tournament after Sergio Camello scored twice in extra-time to earn a dramatic 5-3 win over hosts France in a nail-biting final at Parc des Princes on Friday.
European soccer's governing body opted against using VAR this season, despite the technology being employed by major European leagues in Spain, Italy and Germany, and the World Cup in Russia this year.
Manchester City forward Gabriel Jesus became the first player to have a goal disallowed by the Video Assistant Referee (VAR) in the English Premier League.
Mohamed Salah's late equaliser earned Liverpool a 2-2 draw with rivals Arsenal in an entertaining Premier League encounter.
A round-up of Saturday's action in the UEFA Nations League group stage matches.
Jarrod Bowen converted a last-gasp penalty to lift West Ham United to a 2-1 Premier League victory over Manchester United in a fluctuating clash between two struggling sides on Sunday.
Several countries across the globe use VAR in their domestic club competitions after it was first introduced in Australia and the United States.
Liverpool's Diogo Jota bagged a last-gasp equaliser to salvage a breathless 2-2 Edraw against Fulham.
'People sitting in the stands need to know what the rules are. Who is refereeing the game? We need to know. People deserve to know what are the rules of the game and the game belongs to the people.'
A fan invasion in the opening match of the Olympic football tournament between Argentina and Morocco on Wednesday caused chaos, with Argentina eventually beaten 2-1 following a VAR review after play was suspended with the score tied at 2-2.
Manchester City thrashed West Ham United 4-1 in the Premier League on Saturday to claim their first back-to-back wins since October.
Tottenham Hotspur gained a slender advantage in their League Cup semi-final against London rivals Chelsea as Harry Kane's penalty earned them a gritty 1-0 first-leg win.
Real Madrid fought back from two goals down as Vinicius Jr grabbed a hat-trick in a thrilling 5-2 win over visitors Borussia Dortmund in the Champions League.
Images from Sunday's action in the Premier League.
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