Exemption from the obligation to maintain, acquire or process additional information in order to identify the data subject
If the purposes for which a controller processes personal data do not or do no longer require the identification of a data subject by the controller, the controller shall not be obliged to maintain, acquire or process additional information in order to identify the data subject for the sole purpose of complying with this Regulation.
Chapter II, Article 11, Paragraph 1
Regulation's subject matter
Processing which does not require identification (Article 11, Chapter II)