Input (grade 13): The series was ratified by the FÃ dÃ ration Internationale de l'Automobile (FIA) and races were held in the traditional Formula One off-season, the northern hemisphere winter.
Output (grade 11): The series was ratified by the FÃ dÃ ration Internationale de l'Automobile (FIA). Races were held in the traditional Formula One off-season, winter the northern hemisphere.