22A corollary of the principle of respect for the rights of the defence, the right of access to the file means that the Commission must give the undertaking concerned the opportunity to examine all the documents in the investigation file which may be relevant for its defence. Those documents include both incriminating and exculpatory evidence, save where the business secrets of other undertakings, the internal documents of the Commission or other confidential information are involved (Aalborg Portland and Others v Commission, paragraph 68 and the case-law cited).
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