I.-When the presence of one of the species on the list provided for in article L. 1338-1 is found or is likely to be found in the department, the Prefect shall determine by order the methods of application of the measures mentioned in this section likely to prevent the appearance of these species or to combat their proliferation, after consulting the Director General of the Regional Health Agency and the Departmental Council for the Environment and Health and Technological Risks and, where necessary, any body likely to make a useful contribution to the preparation and implementation of the methods of application.
II – The mayors of the municipalities concerned may participate alongside the State representative in drawing up and implementing these measures within their jurisdiction.