"The International Football Association Board (The IFAB) unanimously approved the use of video assistant referees (VARs) at its 132nd Annual General Meeting (AGM) that took place at FIFA's headquarters in Zurich", read an IFAB statement.
The trials have already highlighted the impact of the system on key decisions, which include goals, penalties, straight red cards and cases of mistaken identity, although the time taken for referrals during matches and confusion for coaches and fans watching has led to significant criticism.
"It's an important development for football, a decision we're going to take tomorrow after studying it in all its details over the years", added Infantino.
It has already been implemented in top European leagues including the German Bundesliga and Italy's Serie A - along with tests in multiple other leagues.
Friday saw the beginning of offline training for referees and assistants, and that will include practice through simulators and video training via offline matches. It has also just been introduced in Brazil and La Liga will use it from next season.
La Liga have confirmed that VAR will be used in Spain next season, while its potential introduction in the Premier League next year is still unconfirmed.
Blatter, still serving a ban from football for the infamous "gentleman's agreement" with Michel Platini in 2011, supported the use of goal-line technology at the 2014 World Cup but only after changing his mind.
Crystal Palace chairman Steve Parish was the first to publically comment last week ahead of a vote next month that will require a two-thirds majority for VAR to be used next season in the Premier League rather than simply as an experiment in cup competitions.
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