Article 18 Confidentiality

Neither the national supervisory authorities, acting in accordance with their national legislation, nor the Commission shall disclose information of a confidential nature, in particular information about air navigation service providers, their business relations or their cost components.

Paragraph 1 shall be without prejudice to the right of disclosure by national supervisory authorities or the Commission where this is essential for the fulfilment of their duties, in which case such disclosure shall be proportionate and shall have regard to the legitimate interests of air navigation service providers, airspace users, airports or other relevant stakeholders in the protection of their business secrets.

Information and data provided pursuant to the charging scheme referred to in Article 14 shall be publicly disclosed.