PSG's Neymar, center, shots to score his side second goal during the League One soccer match between Paris Saint-Germain and Lille at the Parc des Princes stadium in Paris, Friday, Nov. 2, 2018. (AP)
Paris Saint-Germain has challenged UEFA in court after a club finance panel reopened its investigation into the French champions.
The Court of Arbitration for Sport says the case is confidential and gave no further details.
PSG has long been a target of UEFA's ''Financial Fair Play'' rules, which monitor overspending on player transfers and wages.
The club forfeited 20 million euros ($22.8 million) of Champions League prize money in a 2014 settlement.
UEFA said in September that the Club Financial Control Body referred PSG's case back to the investigative branch, which had closed a case.
It is unclear if PSG can appeal a procedural step rather than a ruling.
Turkish club Galatasaray was also placed under deeper investigation by the UEFA panel last month.
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