Tyson Fury and Dillian Whyte have been granted a final 48 hour extension to freely negotiate their heavyweight title clash.
The pair originally had until 6pm on Wednesday evening to agree a WBC heavyweight championship fight.
However, they have now been given until Friday after the World Boxing Council confirmed they had received requests from both camps to extend the period of free negotiations.
Tyson Fury (left) and Dillian Whyte (right) now have until Friday, January 28 to agree a match-up
If the fighters don't agree to terms then a purse bid will be held allowing promoters to bid to stage the fight
In a statement the WBC said: 'The WBC has granted this final extension and If there is no agreement, a purse bid will be held this coming Friday, January 28.'
If Fury, promoted by Frank Warren of Queensbury and Bob Arum of Top Rank, can agree a fight with Whyte, promoted by Eddie Hearn of Matchroom, there will be no purse bid.
A purse bid is the process in which promoters bid for the right to stage a fight.
The promoter with the highest bid will win with that figure then divided by the purse split - which determines the share each boxer will earn from the fight.
Eddie Hearn (right) insists Whyte deserves more than 20 per cent of the share with Fury
The match-up between Fury and Whyte is core to the chaos currently dominating the heavyweight landscape as it largely holds the key to the division's immediate future.
With Anthony Joshua and Oleksandr Usyk seemingly tied up by their eagerly anticipated rematch, initially earmarked for March or April, the WBC ordered Fury to defend his WBC title against mandatory challenger Whyte.
Negotiations have proven difficult, however with four deadlines which have now come and gone following the latest setback.
It had originally
