Judgment_paragraph 41 · Stichting Rookpreventie Jeugd and Others v Staatssecretaris van Volksgezondheid, Welzijn en Sport (C-160/20)

41That publication requirement flows from the principle of legal certainty, which requires that EU rules enable those concerned to know precisely the extent of the obligations which are imposed on them. Individuals must be able to ascertain unequivocally what their rights and obligations are (see, inter alia, judgment of 10 March 2009, Heinrich, C‑345/06, EU:C:2009:140, paragraph 44).