8. 2. 90 Official Journal of the European Communities No L 36/23 (Acts whose pdblication 15 not obligatory) COMMISSION COMMISSION - DECISION of 17 January 1990 authorizing Member States temporarily to take additional measures as regards Denmark against the dissemination of Corynebacterium sepedonicum and . repealing Decision 88/36/EEC (90/52/EEC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard to -Council Directive 77/93/EEC of 21 December 1976 on protective measures against the: intro- duction into the Member States of organisms harmful to- plants or plant products (), as last amended by Directive 89/439/EEC (), and in particular Article 15 (2) thereof, Having regard to Council Directive 80/665/EEC of 24 June 1980 on the control of potato ring rot (), and in particular Article 9 (2) thereof, Whereas, where a Member State considers that there is an imminent danger of the introduction into its territory of potato_ring rot from another Member State, it may tempo-- rarily take any additional measures necessary-to protect itself from that danger; Whereas a Member State may also -take such measures where another Member State .informs -it of confirmed. contamination by potato ring rot; Whereas France, Ireland, the Netherlands and thé United Kingdom had notified the other Member States and the Commission that they maintained or adopted measures () OJ No L 26, 31. 1. 1977, p. 20. () OJ No L 212, 22. 7. 1989, p. 106. () OJ No L 180, 14. 7. 1980, p. 30. concerning the introduction into their territories of pota- toes originating in Denmark, because of potato ring rot known to occur there; Whereas it was well known that potato ring rot had occurred in ‘Denmark for more than 25 years; Whereas Denmark eradication programme ; implemented an Whereas, in particular, since 1984 the entire potato stock material was renewed by cleaned ‘and healthy- material ; whereas since 1986 both seed potatoes may be produced in Denmark only where they- derive from such cleaned and. healthy stock material ; ‘Whereas, moreover, Denmark set up appropriate produc- tion, processing and- distribution structures, aimed at preventing reinfections of potatoes produced under the above conditions ; ‘ Whereas the results of intensive official surveys, including - testing carried out in accordance with the established Community method for the detection and diagnosis of Corynebacterium sepedonicum, carried out in Denmark on potatoes harvested there since 1986, justified. the conclusion that potatoes produced 'in Denmark at least since 1986 could be deemed to be free from potato ring rot ; Whereas - the. Commission, by Decision 88/36/EEC (¥), authorized the aforementioned Member States to take temporarily precautionary- measures described therein ; . () OJ No L 20, 26. 1. 1988, p. 33.