82It is true, however, that the possibility for the Commission to withdraw a decision on State aid is not limited solely to the situation referred to in Article 9 of Regulation No 659/1999, read in conjunction with Article 13(3) of that regulation. Those provisions are merely a specific expression of the general principle of law according to which retroactive withdrawal of an unlawful administrative act which has created individual rights is permissible, in particular if the administrative act at issue was adopted on the basis of false or incomplete information provided by the party concerned. The right to withdraw retroactively an unlawful administrative act which has created individual rights is not, however, limited to that situation alone, since such a withdrawal may always be carried out provided that the institution which adopted the act at issue complies with the conditions relating to reasonable time limits and the legitimate expectation of the beneficiary of that act who was entitled to rely on its lawfulness (see, to that effect, judgment of 18 September 2015, Deutsche Post v Commission, T‑421/07 RENV, EU:T:2015:654, paragraph 47 and the case-law cited, and Opinion of Advocate General Campos Sánchez-Bordona in Repower v EUIPO, C‑281/18 P, EU:C:2019:426, point 65).