Recruitment under an employment support contract gives entitlement to exemption :
1° For the legal entities mentioned in 1° and 2° of article L. 5134-21 of this code, from the contributions payable by the employer in respect of social insurance and family allowances, for the duration of the allocation of the aid for professional integration, without application of the provisions of article L. 131-7 of the social security code. However, contributions relating to that part of the remuneration which exceeds an amount set by decree do not give rise to exemption;
2° Payroll tax;
3° Apprenticeship tax;
4° Contributions payable by employers in respect of the construction effort.