Haas has lost the appeal against Romain Grosjeans removal from the Italian Grand Prix in September.
The FIA International Court of Appeal has upheld the stewards decision to disqualify Grosjean from the race after it emerged his Haas was running an illegal floor.
The French driver lost his sixth place as it was deemed the floor did not comply with the 50mm reference place front edge radius rule.
Haas argued that the factory shutdown did not allow them to amend the design before the Singapore round, and so asked for special dispensation from the FIA.
Whilst these talks were ongoing, the debate was brought to a head as Renault lodged an appeal. This forced a ruling from the stewards who were transparent in their belief the floor did not meet technical standards.
Haas now lie 30 points behind rivals Renault who were arguably on the back foot after the Monza round.
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