39In that context, the Court of Justice has held that the criteria set out in Article 4(1)(a) of Regulation No 1049/2001 are very general, since access must be refused, as is clear from the wording of that provision, if disclosure of the document concerned would ‘undermine’ the protection of the ‘public interest’ as regards, inter alia, ‘public security’ or ‘international relations’ and not only, as had been proposed during the legislative procedure which preceded the adoption of that regulation, when that protection has actually been ‘significantly undermined’ (judgment of 1 February 2007, Sison v Council, C‑266/05 P, EU:C:2007:75, paragraphs 36 to 38).