La Liga president Javier Tebas announced last week that Barcelona have exceeded their wage cap and will therefore fall under a "special procedure" next season.
Tebas made this revelation to the Spanish publication El Transistor and therefore suggested that Barcelona will have to make significant changes to their finances in order to renew Lionel Messi's deal which expires at the end of the month.
Tebas revealed that the Catalan giants must "restructure their debt" as they are responsible for half of the €700 million that clubs have lost across La Liga.
When describing the "special procedure" that Barca now fall under due to their financial difficulties, Tebas said: "We have a special procedure for when a club goes over its salary established by LaLiga, where clubs can only include players who represent 25% of the savings.
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"If Barca sell a player for €100 million, they can only spend €25 million.
"If Barca receives €10 million on a sale, they can only spend €2.5 million on a new signing.
"If Barcelona want to bring in a player who costs them €25 million per season in salary, they must earn, either by transfer or by a salary reduction, €100 million."
Despite the club's financial difficulties, Barcelona have brought in Memphis Depay, Sergio Aguero and Eric Garcia on free transfers.
Barcelona have also attempted to sign Georginio Wijnaldum which was hijaked by Paris Saint-Germain whilst they are also set to renew Messi's contract who according to Forbes is worth a whopping $97 million a year.
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After Barcelona's focus on incomings, Tebas has commented that the club's focus must now revolve around reducing the size of their squad.
Junior Firpo and Phillipe Coutinho are the two names which have been heavily linked with leaving the club with rumours of Antoine Griezmann, Ousmane Dembele and Miralem Pjanic departing too.
Tebas has hinted that their could be potential serious ramifications if these adjustments to the squad are not made in the coming months: "They have to reduce salaries in the squad consistently or produce fees from sold players. Publicly, I cannot tell of the plan Barcelona have.
"They know that if they don't sell an important player of the current squad that they have players with contracts in force that they cannot include."
Featured Image Credit: PATopics: Paris Saint-Germain, Sergio Aguero, Eric Garcia, Barcelona, Memphis Depay, Georginio Wijnaldum, Lionel Messi, La Liga