Make no mistake, West Ham would have gone down without Tevez and Sheffield United will lead the group of clubs demanding to examine the fine detail of his registration.
"Despite a day of talks led by chairman Eggert Magnusson for the Hammers and Maurice Watkins for United, there is no deal and West Ham clearly aren't going to be railroaded into this, " added Farquar.
Stanislas's 78th-minute leveller was no more than West Ham deserved for a spirited, if unspectacular, display against a Blackburn side led by caretaker manager Steve Kean for the first time following Sam Allardyce's dismissal on Monday.