http://www.legislation.gov.uk/eur/2018/1861/article/51Regulation (EU) 2018/1861 of the European Parliament and of the Council of 28 November 2018 on the establishment, operation and use of the Schengen Information System (SIS) in the field of border checks, and amending the Convention implementing the Schengen Agreement, and amending and repealing Regulation (EC) No 1987/2006Regulation (EU) 2018/1861 of the European Parliament and of the CouncilRegulation (EU) 2018/1861 of the European Parliament and of the Council of 28 November 2018 on the establishment, operation and use of the Schengen Information System (SIS) in the field of border checks, and amending the Convention implementing the Schengen Agreement, and amending and repealing Regulation (EC) No 1987/20062020-12-10King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02018R1861-20190611texttext/xmlen2019-06-11 CHAPTER IX <Strong>DATA PROTECTION</Strong> Applicable legislation Article 51 1 Regulation (EU) 2018/1725 shall apply to the processing of personal data by eu-LISA and by the European Border and Coast Guard Agency under this Regulation. Regulation (EU) 2016/794 shall apply to the processing of personal data by Europol under this Regulation. 2 Regulation (EU) 2016/679 shall apply to the processing of personal data under this Regulation by the competent authorities referred to in Article 34 of this Regulation with the exception of processing for the purposes of the prevention, detection, investigation or prosecution of criminal offences or the execution of criminal penalties, including the safeguarding against and the prevention of threats to public security where Directive (EU) 2016/680 applies.