"Each car is required to have at least two seats, although in recent years only the ability to place a second seat in the cockpit has been required; the seat itself has not. No more than two doors are allowed; open cockpit cars do not require doors."
"Each car is required to have at least two seats, although in recent years only the ability to place a second seat in the cockpit has been required; the seat itself has not. No more than two doors are allowed; open cockpit cars do not require doors."