The five substitution rule 'is set to become permanent' and the Premier League will face pressure to follow the rest of football.
In a report from The Times on Wednesday, the temporary rule to allow teams to make five changes per match has 'strong support' from a number of football bodies.
The Premier League opted to increase the number of substitutes on a temporary basis during project restart in 2019/20, due to matches being crammed into a short space of time as a result of the pandemic.
Despite initially taking advantage of the two extra subs, the league reverted back to just three changes at the start of last season.
Should the change be made permanent, as it was proposed to The International FA Boardâ€™s (Ifab) on Wednesday - the Premier League would 'come under serious pressure' to follow suit.
The Italian, Spanish, German and French leagues continue to use five substitutions, as the English league were the only top division to opt against extending at the start of 2020/21.
The decision not to take advantage of the rule was criticised by Liverpool manager Jurgen Klopp in December last year.
"Everybody knows my opinions about it," Klopp said. "Everyone knows 10 clubs voted against it. It was not about advantages, it was only about player welfare. And they voted against it.
"Pretty much only they voted against them in the whole world.
The Liverpool Echo sends newsletters on a wide range of topics - including our daily news bulletin, now going out three times a day.
There are others on what's on, politics, court news, Knowsley, Wirral, and arts & culture, as well as both Liverpool FC and Everton FC.
Signing up is free and it only takes a minute for you to get the biggest stories, sent straight to your inbox.
How to sign up for an Echo Email Update
1) Go to our dedicated newsletter page at this link.
2) Put your email in the box where indicated
3) Tick as many boxes as you like, for each newsletter you want.
4) Press Save changes and that's it!
"I don't know which other leagues only have three subs. There must be a good reason for it, for all these leagues and clubs to vote for it."
However, Everton boss Rafa Benitez publicly voiced his opinion of the five substitute rule when it was introduced during project restart.
"I understand the reasoning behind it when there are a lot of games to be played in a short space of time, but itâ€™s not something we should be looking at permanently," he wrote in The Athletic last June.
"As a manager, if you canâ€™t change things with three substitutions, then youâ€™re doing something wrong. That is the key. With five, it becomes very easy."