The fixed-term employment contract of an occupational health physician may only be terminated before expiry of the term due to serious misconduct or medical unfitness, or on expiry of the term when the employer does not intend to renew a contract containing a renewal clause, after authorisation from the labour inspector responsible for the occupational health and prevention service, following the opinion of the occupational health inspector, under the conditions laid down in article L. 4623-5.