Joint liability in context of the personal data processing
Where more than one controller or processor, or both a controller and a processor, are involved in the same processing and where they are, under paragraphs 2 and 3, responsible for any damage caused by processing, each controller or processor shall be held liable for the entire damage in order to ensure effective compensation of the data subject.
Chapter VIII, Article 82, Paragraph 4
Regulation's subject matter
Right to compensation and liability (Article 82, Chapter VIII)