CELEX:62020CJ0160: Judgment of the Court (Grand Chamber) of 22 February 2022.#Stichting Rookpreventie Jeugd and Others v Staatssecretaris van Volksgezondheid, Welzijn en Sport.#Reference for a preliminary ruling – Directive 2014/40/EU – Manufacture, presentation and sale of tobacco products – Products not complying with the maximum emission levels – Prohibition on placing on the market – Measurement method – Filter cigarettes with small ventilation holes – Measurement of the emissions on the basis of ISO standards – Standards not published in the Official Journal of the European Union – Compliance with the publication requirements laid down in Article 297(1) TFEU read in the light of the principle of legal certainty – Compliance with the principle of transparency.#Case C-160/20.