The internal regulations may not contain :
1° Provisions contrary to the laws and regulations and to the stipulations of the collective labour agreements applicable in the company or establishment;
2° Provisions that restrict personal rights and individual and collective freedoms in a way that is neither justified by the nature of the task to be performed nor proportionate to the aim pursued;
3° Provisions that discriminate against employees in their employment or work, with equal professional capacity, on the grounds of their origin, sex, morals, sexual orientation or gender identity, age, family status or pregnancy, genetic characteristics, their actual or assumed membership or non-membership of an ethnic group, nation or race, their political opinions, their trade union or mutualist activities, their religious beliefs, their physical appearance, their surname or because of their state of health or disability.