For what it's worth, this point may have already been posted. mind, no author, just espn sources.
From the espn.co.uk football site, La Liga are siding with Barca in their interpretation of the contract.
Barcelona believe the only way Lionel Messi can legally leave for free is if he commits to not playing next season, sources told ESPN.
www.espn.co.uk
below is the translated statement from the link to La liga's statement in that article.
Press room
SUN 08.30.2020
In relation to the different interpretations (some of them contradictory to each other) published in recent days in different media, related to the contractual situation of the player Lionel Andrés Messi with FC Barcelona, LaLiga considers it convenient to clarify that, once the player's contract with his club:
The contract is currently in force and has a "termination clause" applicable to the event that Lionel Andrés Messi decides to urge the early unilateral termination of the contract, carried out in accordance with article 16 of Royal Decree 1006/1985, of June 26, by which regulates the special employment relationship of professional athletes.
In compliance with the applicable regulations, and following the corresponding procedure in these cases,
LaLiga will not carry out the prior visa process for the player to be removed from the federation if they have not previously paid the amount of said clause.