117According to settled case-law, examination of partial access to a document of the European Union institutions must be carried out in the light of the principle of proportionality (judgment of 12 September 2013, Besselink v Council, T‑331/11, not published, EU:T:2013:419, paragraph 83; see also, to that effect, judgment of 6 December 2001, Council v Hautala, C‑353/99 P, EU:C:2001:661, paragraphs 27 and 28).