Article 5(1) (Principle of fairness, lawfulness and transparency); Article 12 (Transparent information, communication and modalities for the exercise of the rights of the data subject); Article 14 (Information to be provided where personal data have not been obtained from the data subject); Article 15 (Right of access by the data subject); Article 23 (Restrictions); Article 34 (Communication of a personal data breach to the data subject).