FIFA has made changes to international eligibility, allowing players who have played less than four competitive games to switch country.
At today's virtual congress, the member associations approved the rule change, which allows players to switch national teams once to another country for which they hold eligibility, provided they played no more than three matches for their initial national side, and all before turning 21.
Appearances at a World Cup finals or confederation finals such as the Euros would prohibit a player from switching, but appearing in tournament qualifying matches would not disqualify them.
National eligibility has been a hot topic in Ireland in recent years, with players such as James McClean and Shane Duffy switching to the Republic after representing Northern Ireland at underage level.
Jack Grealish and Declan Rice both switched allegiances from Ireland to England – the country they were born in – with Rice having won three senior caps for Ireland in 2018 but none in competitive games.
At the time, appearing in one senior qualifier or Nations League game would have bound the player to that country.