Article R6222-8 of the French Public Health Code
I.- Opposition to the opening of a medical biology laboratory or a new site or to the transfer of an existing site, pursuant to Article L. 6222-2, and opposition to the operations referred to in Article L. 6222-3 , shall be notified by reasoned decision of the General Director of the Regional Health Agency concerned, by any means capable of conferring a date certain on such notification, no later than…