46However, infringement of the reasonable time principle does not, as a general rule, justify the annulment of a decision taken at the culmination of an administrative procedure. It is only where the passing of an excessive period is likely to have an effect on the actual substance of the decision adopted at the end of the administrative procedure that non-compliance with the reasonable time principle affects the validity of the administrative procedure (judgments of 6 December 2012, Füller-Tomlinson v Parliament, T‑390/10 P, EU:T:2012:652, paragraph 116, and of 12 May 2016, Guittet v Commission, F‑92/15, EU:F:2016:118, paragraph 76).
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