Formula One bosses have accused FIA president Mohammed Ben Sulayem of "unacceptable" interference in the alleged sale of the sport.
He added that a potential buyer of F1 should "come with a clear, sustainable plan — not just a lot of money."
The letter, warned the FIA that "Formula 1 has the exclusive right to exploit the commercial rights in the FIA Formula One World Championship" under a 100-year deal.
The response to Ben Sulayem's comments comes at a time of heightened tensions between F1 and its governing body.
F1 teams question FIA president's position after latest disagreementsAnalysis by Sky Sports News' Craig Slater...