The medical, clinical and biological checks provided for in article L. 3354-1 and article L. 234-5 of the Highway Code are carried out under the conditions provided for in this chapter, without prejudice to the application of article 3 of law no. 70-597 of 9 July 1970 instituting a legal blood alcohol level and generalising breath testing.
When checks are carried out using a device enabling the alcohol level to be determined by analysing exhaled air, these checks are carried out under the conditions set out in article R. 234-4 of the Highway Code.