
The decentralized bonus represents a recurring line on the payslips of personnel covered by the CCN 51, which governs private non-profit hospitalization, care, and personal assistance establishments. However, its amount varies from one employee to another, from one establishment to another, without the calculation rules always being clear on the payslip. Understanding this mechanism requires going beyond the simple mention printed at the bottom of the payslip.
Deductions on the CCN 51 decentralized bonus: the mechanism that the payslip does not detail
The collective agreement stipulates that the decentralized bonus is calculated on the gross salary, but it also allows for deductions related to absences. This is where readability becomes complicated.
Days of absence not considered as actual working time (ordinary sick leave, unjustified absences, unpaid leave) can lead to a reduction in the amount paid. The agreement distinguishes between absences that entitle one to a deduction and those that do not, such as paid leave, maternity leave, or absences due to work accidents.
An employee absent for several weeks due to ordinary illness will see their bonus reduced, sometimes significantly, without the details of the calculation being clearly shown on their payslip.
Most payslips display a total amount for the decentralized bonus, rarely the details of the deductions applied. An employee who wants to verify the consistency between their absences and the amount received must reconstruct the calculation manually, referring to the establishment agreement or the supplementary provisions of the CCN 51.
Mastering the calculation of the CCN 51 decentralized bonus allows one to spot an error before it recurs over several months.

Establishment agreement and decentralized bonus: why two CCN 51 employees do not receive the same amount
The CCN 51 sets a general framework, but the establishment agreement can modify the payment criteria. This is a frequent source of misunderstanding among colleagues who are nonetheless covered by the same agreement.
Article A 3.1.4 of the agreement specifies that the distribution methods of the bonus are negotiated at the level of each structure. One establishment may decide to condition part of the bonus on collective criteria (overall absenteeism of the service, activity results) or individual criteria. Another may opt for a uniform payment proportional to the gross salary, without additional criteria.
The consequences are concrete:
- Two nursing assistants with the same seniority, in two distinct FEHAP structures, may receive very different amounts of decentralized bonus, without this constituting a legal anomaly.
- Within the same establishment, an agreement may provide for a more severe deduction per day of absence than the conventional minimum, or conversely neutralize certain types of absences.
- The frequency of payment (monthly, semi-annually, annually) also depends on the local agreement, which explains why some employees receive their bonus twice a year while others find it on their payslip every month.
Without access to the text of the establishment agreement, the employee cannot verify their payslip. Employee representatives or the social and economic committee (CSE) normally have this document. Asking for it remains the first useful reflex.
Decentralized bonus and Ségur bonuses: what is included in the calculation base
Since the implementation of the Ségur health revaluations, a question frequently arises in HR departments and specialized forums: are Ségur bonuses included in the calculation base for the decentralized bonus?
The answer depends on the legal nature of each supplement. The decentralized bonus is calculated on the monthly gross salary, as defined by the collective grid, seniority, and any specific requirements. The treatment supplements related to Ségur (CTI) have been clarified by the FEHAP regarding their inclusion or not in this base.
Field feedback varies on this point. Some establishments include Ségur in the base, while others do not, depending on their interpretation of the texts and the recommendations of their managing body. This disparity creates differences in overall remuneration between structures applying the same agreement.
Check the base on your payslip
To know if Ségur supplements are taken into account, one must compare the gross amount serving as the basis for the decentralized bonus with the total gross salary. If the difference corresponds to the Ségur amounts, it means they are excluded from the base. This verification, seemingly simple, requires knowing precisely the amount of each line of remuneration.

Decentralized bonus for fixed-term contracts in CCN 51: a calculation often prone to errors
Employees on fixed-term contracts also benefit from the decentralized bonus, but its calculation follows specific rules outlined in a FEHAP information document from January 2018. Payment generally occurs at the end of the contract or according to the frequency set by the establishment agreement.
Errors on fixed-term contracts are common, especially when the employee has several short contracts in the same establishment. The question of prorating, the potential carryover of deductions from one contract to another, and the base retained for each period generates sometimes significant discrepancies.
One point deserves attention: the decentralized bonus for fixed-term contracts should not be confused with the precariousness allowance. Both lines must appear distinctly on the payslip. If the decentralized bonus is not listed at all, it is an anomaly to report.
Disputing an error in the decentralized bonus: what options does the employee have
When the amount seems inconsistent, the employee has several options. The first is to request in writing from the HR department the details of the calculation applied, specifying the relevant period. The employer is required to provide the elements necessary to understand each line of the payslip.
If the disagreement persists, the CSE or employee representatives can intervene. As a last resort, the labor court is competent, with a three-year statute of limitations for wage claims, including the decentralized bonus.
The CCN 51 decentralized bonus remains a component of remuneration whose exact calculation depends on the collective framework, the local agreement, and the individual situation of the employee. As long as payslips do not display the details of deductions and the base retained, verification will remain an active process, the responsibility of each concerned employee.