Any clause in a collective labour agreement or contract of employment which reserves the benefit of any measure whatsoever to one or more employees on the grounds of sex shall be null and void.
However, these provisions do not apply where the purpose of the clause is to apply provisions relating to :
1° Protection of pregnancy and maternity, as provided for in articles L. 1225-1 to L. 1225-28 ;
2° Prohibition of prenatal and postnatal employment, as provided for in article L. 1225-29;
3° breastfeeding, as provided for in articles L. 1225-30 to L. 1225-33;
4° Resignation by an employee in a medically certified state of pregnancy, as provided for in article L. 1225-34;
5° Paternity leave and childcare leave, as provided for in Articles L. 1225-35 and L. 1225-36;
6° Adoption leave, as provided for in articles L. 1225-37 to L. 1225-45.