http://www.legislation.gov.uk/eur/2020/687/article/39Commission Delegated Regulation (EU) 2020/687 of 17 December 2019 supplementing Regulation (EU) 2016/429 of the European Parliament and the Council, as regards rules for the prevention and control of certain listed diseases (Text with EEA relevance)Commission Delegated Regulation (EU) 2020/687Commission Delegated Regulation (EU) 2020/687 of 17 December 2019 supplementing Regulation (EU) 2016/429 of the European Parliament and the Council, as regards rules for the prevention and control of certain listed diseases (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:32020R0687texttext/xmlen2019-12-17 PART II <Strong>TERRESTRIAL ANIMALS</Strong> CHAPTER II <Strong> <Emphasis>Disease control measures for category A diseases of kept terrestrial animals in the restricted zones</Emphasis> </Strong> Section 2 <Expanded> <Strong>Disease control measures in the protection zone</Strong> </Expanded> Duration of the disease control measures in the protection zone Article 39 1 The competent authority may lift the measures provided for in Section 1 and 2 of this Chapter only if the minimum period set out in Annex X has elapsed and the following conditions are fulfilled: a the preliminary cleaning and disinfection and, where relevant, control of insects and rodents, has been performed in accordance with Article 15 in the affected establishment; and b in all establishments keeping animals of listed species in the protection zone, animals of listed species have undergone, with favourable results, clinical and when necessary laboratory examinations in accordance with Article 26. 2 Where the relevant category A disease is transmitted by a listed vector, as referred to in Regulation (EU) 2018/1882, the competent authority may: a establish the duration of the measures in the protection zone on a case by case basis, taking into account any factor influencing the risk of the disease spreading; and b provide for the introduction of sentinel animals. 3 After the lifting of the measures referred to in paragraph 1, the measures provided for in Section 3 of this Chapter shall apply in the protection zone for at least the additional period set out in Annex X.