http://www.legislation.gov.uk/eur/2017/1183/article/4Commission Delegated Regulation (EU) 2017/1183 of 20 April 2017 on supplementing Regulations (EU) No 1307/2013 and (EU) No 1308/2013 of the European Parliament and of the Council with regard to the notifications to the Commission of information and documents (Text with EEA relevance)Commission Delegated Regulation (EU) 2017/1183Commission Delegated Regulation (EU) 2017/1183 of 20 April 2017 on supplementing Regulations (EU) No 1307/2013 and (EU) No 1308/2013 of the European Parliament and of the Council with regard to the notifications to the Commission of information and documents (Text with EEA relevance)2020-12-12King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32017R1183texttext/xmlen2017-04-20 Single liaison body and its responsibility Article 4 1 Member States shall designate a single liaison body and shall inform the Commission of all its relevant contact details. 2 The single liaison body shall be responsible for the following tasks in relation to the information system: a to grant access rights to users; b to certify the identity of the users who are granted access rights; c to notify the Commission of users granted rights to access the information system. 3 The Commission shall activate the access rights of users on the basis of the notifications it receives from the single liaison body in accordance with point (c) of paragraph 2.