Judgment of the Court (Third Chamber) of 19 January 2023.#Comité interprofessionnel des huiles essentielles françaises (CIHEF) and Others v Ministre de la Transition écologique and Premier ministre.#Reference for a preliminary ruling – Approximation of laws – Biocidal products – Regulation (EU) No 528/2012 – Article 72 – Free movement of goods – Article 34 TFEU – Possibility for Member States to adopt restrictive measures on commercial and advertising practices – Selling arrangements falling outside the scope of Article 34 TFEU – Whether justified – Article 36 TFEU – Objective of protecting human and animal health and the environment – Proportionality.#Case C-147/21.