79It must be borne in mind that the principle of legal certainty requires that rules of Community law be clear and precise, so that interested parties can ascertain their position in situations and legal relationships governed by Community law (see Case C-63/93 Duff and Others [1996] ECR I-569, paragraph 20).
Source: EUR-Lex, © European Union, 1998-2026. Reuse authorised under Decision 2011/833/EU.