La Liga's governing body has backed Barcelona in its clash with Messi.
In a statement issued on Sunday, the board said the Barcelona and Argentina captain would leave the club only if the terms agreed in his contract were met.
Last week Messi announced to Barcelona his intention to leave the club where he spent his youth playing, and not the trophy he did not win.
In Barcelona Messi has won the FIFA World Player of the Year award six times, a record no one has ever set.
Messi has announced his intention to leave the club following Bayern Munich's 8-2 defeat to Barcelona and is on the pitch in the Champions League.
Barcelona have told Messi they want him to continue playing at the Nou Camp.
Messi has demanded to leave Barcelona without being paid, as his contract states that he could leave the club at the end of the 2019/20 season on his own.
However, Barcelona have said that under the terms of the agreement they will expire on June 10 and only if Messi reaches this time due to the extension of the season caused by the coronavirus.
She said the player has until August 31 to make a decision. It is thought that this could take them to court.
Messi abstained from training on Sunday and did not go for a pre-season training camp, indicating he wanted to force Barcelona out of his squad.
A statement from La Liga stated its position on Messi's contract with Barcelona.
Messi abstained from training on Sunday and did not go for a pre-season training camp, indicating he wanted to force Barcelona out of his squad. Nice article.