Tavo Hellmund is the rights holder of the contract for the Formula One United States Grand Prix from 2012-2021 scheduled for Austin, Texas.

Circuit of The Americas is the entity that is investing in and building the circuit and related facilities in Austin, Texas.

Numerous sources report that there may be disagreements between the parties.

Construction at the circuit is now on hold until an agreement is reached.

Plain and simple.

“While construction at Circuit of The Americas has progressed as scheduled with over 300 workers at the construction site daily, all work will suspend immediately,” the statement said. “The delivery of the Formula One Grand Prix race contract will allow construction operations to resume.”