The Rich Energy account mocked Haas for their poor start to the Silverstone race, which saw drivers Kevin Magnussen and Romain Grosjean collide before retiring.
But things soon turned serious again as the profile, for the second time in three days, leaked correspondence from Haas' legal team on Twitter.
In the letter from Ebury Partnership LLP, addressed "For the attention of William Storey", it states: "Mr Storey purports to terminate the Sponsorship Agreement with immediate effect. This amounts to a repudiatory breach of the Sponsorship Agreement by Rich Energy.
"The first date on which Rich Energy would have been entitled to terminate the Sponsorship Agreement lawfully is 1 December 2022."
Haas are seeking £6m outstanding for the 2019 season, as well as payments of £14m and £15m respectively for agreements in 2020 and 2021, taking the total to £35m.
Rich Energy are already due to pay bicycle firm Whyte Bikes more than £30,000 in damages, having been found to have breached copyright over the stag logo used on the energy drink firm's branding.
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