A document has suggested that Haas are demading £35 million from sponsors Rich Energy if they are to split, as mentioned by Rich Energy's tweets.
Haas still ran with Rich Energy logos on their car at last weekend's British Grand Prix, where both Kevin Magnussen and Romain Grosjean retired after contact with each other on the first lap.
The situation is still no closer to being resolved, with Rich Energy now tweeting this letter.
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