Thiago Silva, Sergio Rico and Eric Maxim Choupo-Moting will remain at PSG until the end of the season after signing contract extensions.
League 1 season was ended prematurely in April due to the coronavirus pandemic. PSG secured the league title after final placings were decided on points-per-game basis.
The French Football Federation delayed a decision on Cup competitions in the hope of playing the two finals at a later date.
The FFF has confirmed that Coupe de France and Coupe de la Ligue finals will take place on July 24 and 31 respectively.
The UEFA Champions League will take place in Lisbon, Portugal in August.
Thiago Silva, Sergio Rico and Eric Maxim Choupo-Moting will now be available for all the three competitions.
Goalkeeper Sergio Rico had been due to return to parent club Sevilla at the end of June and forward Choupo-Moting is set to leave the club on a free transfer.
Captain Silva, 35 will be leaving the club at the end of the season. His extension means he could depart having potentially lifted 3 more trophies.
PSG will play Saint Etienne in the Coupe de France final before facing Lyon in the Coupe de la Ligue final a week later.
They are also in the UEFA Champions League quarters.
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