In the absence of an agreement or convention as referred to in article L. 3142-58, the employer may refuse to grant training leave for managers and youth workers if he establishes that the number of employees, per establishment, who have benefited from the leave during the current year, reaches the following proportion:
1° Less than 50 employees: one beneficiary ;
2° 50 to 99 employees: two beneficiaries;
3° 100 to 199 employees: three beneficiaries;
4° 200 to 499 employees: four beneficiaries;
5° 500 to 999 employees: five beneficiaries;
6° 1,000 to 1,999 employees: six beneficiaries;
7° From 2,000 employees: one additional beneficiary for each additional 1,000 employees.