According to RAC1, Barca must submit their final proposal before Friday noon (12:00 CET), or Neymar's future will be at Bernabéu.
PSG give Barça an ultimatum because Neymar wants to be at Barça. Barça must present a proposal before this Friday at noon.
If there is no agreement, the future of the Brazilian will be at the Bernabéu.