Opinion of Advocate General Pikamäe delivered on 16 December 2021.#Fiat Chrysler Finance Europe and Ireland v European Commission.#Appeal – State aid – Aid implemented by the Grand Duchy of Luxembourg – Decision declaring the aid incompatible with the internal market and unlawful and ordering its recovery – Tax ruling – Advantage – Selectivity – Arm’s length principle – Reference framework – National law applicable – ‘Normal’ taxation.#Joined Cases C-885/19 P and C-898/19 P.