Sheikh Jassim bin Hamad Al Thani made a fifth bid to buy Manchester United earlier this week, according to a source close to the Qatari banker.
This will be Sheikh Jassim's final bid, and after Friday he will no longer engage with the process.
The bid is for 100% of the club, will clear United's debt and has a separate fund for the club and local community.
Sir Jim Ratcliffe's Ineos Group are the other main party trying to buy the Premier League club.
Figures in March showed United owed £969.6m through a combination of gross debt, bank borrowings and outstanding transfer fees with associated payments.