The probationary period referred to in article 21-17 is reduced to two years:
1° For foreign nationals who have successfully completed two years of higher education with a view to acquiring a diploma issued by a French university or higher education establishment;
2° For those who have rendered or may render by their abilities and talents significant services to France;
3° For foreign nationals who present an exceptional path to integration, assessed with regard to activities carried out or actions accomplished in the civic, scientific, economic, cultural or sporting fields.