138It follows from the case-law cited in paragraphs 115 and 116 above that, in order for a general presumption to be validly used against the person requesting access to documents on the basis of Regulation No 1049/2001, the requested documents must form part of the same set of documents or be of the same nature (see, to that effect, judgment of 27 February 2014, Commission v EnBW, C‑365/12 P, EU:C:2014:112, paragraph 65 and the case-law cited).