With the ` one set of tyres per race ' rule no longer in use , ORGANIZATION@1 , after a poor NUMBER@1 and a troubled start to NUMBER@2 , were again close contenders for both Drivers ' and Constructors ' titles by the latter part of the NUMBER@2 season .

Ferrari and PERSON@1 are the reigning Constructors ' and Drivers ' title holders respectively , after the conclusion of the NUMBER@3 season .
