Luis Suarez's Italian citizenship exam is under investigation from prosecutors amid irregularities, it was announced on Tuesday.

The Barcelona forward, who himself is not under investigation, underwent a citizenship test at the University For Foreigners in Perugia on Sept. 17.

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During an investigation into wrongdoing at the university, irregularities with Suarez's test emerged.

A statement from the Perugia Prosecutor's office said it appears information about the test was given to the candidate before the exam, while a final result was attributed before completion.

"During the investigation undertaken by the Perugia financial police core into various and accrued issues with regards to the Perugia University for Foreigners, which been ongoing since February 2020, irregularities in the Italian language certificate test under taken on this Sept. 17 by Uruguayan footballer Luis Alberto SUAREZ DIAZ, necessary to obtain Italian citizenship, have emerged," the statement by Perugia prosecuted Raffaele Cantone read.

"From the activities investigated, it has showed that the topics covered in the test were previously agreed and that the relevant score was agreed before the test had taken place, despite, during the course of the lessons taken a distance by university professors, finding a basic understanding of the Italian language.

"Today, members of the financial police are acquiring university office documents for further information on the above described as well as warrant for information of false certification offences committed by the public official in public acts and other."

Suarez had been told to look for a new club this summer after Barcelona appointed Ronald Koeman as their new manager.

Sources told ESPN earlier this that the ex-Liverpool forward had agreed a move to Juventus but required Italian citizenship in order for the transfer to go through due to his non-EU status.

However, the transfer appeared to have broken down before he took exam and Juve boss Andrea Pirlo said two days after that Suarez was unlikely to join the Italian champions.

It since appeared Suarez, 33, was close to joining Atletico Madrid, with Alvaro Morata set to leave the Spanish capital side to join Juve, but sources have told ESPN Barca have backtracked on their agreement to let him move to the Wanda Metropolitano, leaving him furious.