180It should be borne in mind that, in accordance with settled case-law, Article 277 TFEU expresses a general principle conferring upon any party to proceedings the right to challenge indirectly during the proceedings, for the purpose of obtaining the annulment of a decision of direct and individual concern to that party, the validity of previous acts of the institutions which form the legal basis of the decision which is contested (see, to that effect, judgments of 6 March 1979 in Simmenthal v Commission, 92/78, ECR, EU:C:1979:53, paragraphs 39 to 41, and 20 September 2011 Regione autonoma della Sardegna and Others v Commission, T‑394/08, T‑408/08, T‑453/08 and T‑454/08, ECR, EU:T:2011:493, paragraph 206 and the case-law cited).