In the hearing, the 37-year-old was quizzed over allegations he used a business dependent on the Portuguese island of Madeira to prevent paying taxes on his picture rights to the Spanish government.
If convicted, the former Spain global risks as many as five years behind bars for its alleged fraud that prosecutors say happened between 2010 and 2012 if he had been playing for Real Madrid.
They’re also requesting that Alonso, his tax advisor Ivan Zaldua along with the Portuguese firm supervisor Ignasi Maestre pay a fine of 4.0 million euros ($4.4 million), which the tax to be paid, together with interest.
The analysis was originally opened in 2015 but shelved, only to be reopened at the end of 2017 following a court found that the allegations from the participant were”sufficiently substantiated”.
Alonso, who retired from playing 2017 following a stint in Bayern Munich, is among a series of high-profile footballers to face scrutiny by the Spanish tax authorities over the announcement of earnings from picture rights.
Some have confessed fraud as part of a deal to prevent jail time, such as Atletico Madrid striker Diego Costa and Barcelona’s Gerard Pique, both of whom paid outside after being convicted within the summertime.
And earlier this year, the taxation police caught up with Juventus star Cristiano Ronaldo and former Manchester United manager Jose Mourinho, both within the direction and announcement of image rights.