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Cet article a été publié le 31 January 2024. Son contenu peut ne plus refléter l'état actuel du droit.
For health and safety reasons, employers are free to include a "zero alcohol tolerance" clause in their internal rules, particularly for activities that present particular risks for employees or third parties.
Only the company's internal regulations can provide a framework for this type of system, and case law has often had to rule on the matter.
For example, it has ruled that an employee must be able to contest a blood-alcohol test.
On this subject, the French Supreme Court ruled on December 6 that the employer's refusal to carry out a counter-expertise provided for in the internal regulations, but requested late, was not such as to render the dismissal devoid of real and serious cause.
This ruling should also be seen in the context of another decision handed down by the Orléans Court of Appeal (November 30, 2023, no. 22/00063), which ruled that an employee's refusal to undergo such a test constitutes serious misconduct, provided that the practice is duly supervised internally.
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In the case submitted to the Cour de cassation, an employee, a bus driver, was tested for alcohol prior to taking up his duties, and found positive at 0.14 mg/l. of exhaled air, i.e. 0.28g/l. of blood.
The employer dismisses him for gross misconduct, considering that the employee has violated :
- the provisions of the company's by-laws, which prohibit the performance of any activity under the influence of alcohol;
- Article R 234-1 of the Highway Code, prohibiting the driving of a public transport vehicle with a blood alcohol concentration equal to or greater than 0.20g/l., a fourth-class contravention.
- the company's internal rules allow it to request a second opinion;
- which he requested but was refused by his employer,
- Firstly, it states that the facts are established, and that the employer cannot be blamed for refusing to carry out a second medical examination, since the request was made late, thus defeating the purpose of such a system;
- secondly, it insists on the fact that if the company had not set up such a control on the day of the incident, the person concerned would have been driving his bus under the influence of alcohol, a fact liable to be classified as a criminal offence, constituting real and serious grounds for dismissal.

