Commission Implementing Decision (EU) 2021/973 of 1 June 2021 confirming or amending the provisional calculation of the average specific emissions of CO 2 and the specific emissions targets for manufacturers of passenger cars and light commercial vehicles for the calendar year 2019 and, for the passenger car manufacturer Dr Ing. h.c. F. Porsche AG and the Volkswagen pool, for the calendar years 2014 to 2018 pursuant to Regulation (EU) 2019/631 of the European Parliament and of the Council (notified under document C(2021) 3682)