Nominative Social Declaration (DSN)
Verified 01 January 2024 - Directorate for Legal and Administrative Information (Prime Minister)
The DSN: titleContent is an online return filed monthly from the payslip. You enter information about each of your employees. It is used to pay your social security contributions and to transmit data on your employees to social organizations (France Travail (formerly Pôle emploi), CPAM: titleContent, Urssaf, etc.). You must have DSN-compliant payroll software.
The NDS is a statement online and monthly which transmits the information concerning each of your employees.
It is produced from the payroll software.
You fill in the following 2 types of information:
- Employee pay data
- Events concerning the employee's periods of activity: stoppage of work, sickness, maternity, paternity, termination of contract, etc.
Warning
The DSN is made by number of Siret (establishment) and not by Siren number (company). You must make as many DSNs as you have establishments within your company. Each DSN provides information for all employees in an establishment.
DSN Centralizes several statements of the employer. For a list of all these statements in DSN, you can consult the following Net-companies document:
What features and declarations does DSN replace?
Net-companies-GIP Modernization of social declarations
Pour en savoir plus
Completing and sending the DSN has the following 2 functions:
- Calculate and pay all your social security contributions
- Automatically inform all social bodies of data concerning your employees (their salaries, activities, etc.). These organizations are: France Travail (formerly Pôle emploi), Medicare (CPAM: titleContent), Urssaf, Agirc-Arco: titleContent, complementary health organizations.
Please note
The withholding tax (PAS) is a fully integrated device in the DSN. The employer must deduct the withholding tax on income tax (IR) at the same time as the social security contributions on a monthly basis. He then repays the withholding tax to the company tax service (SIE).
All companies in the private sector that employ employees must complete an NSN.
The NSN shall replace the following declarations:
- DADS-U: titleContent permanently deleted in 2023
- DOETH: titleContent
- DMMO: titleContent
- SDR.: titleContent with the BVM (monthly remittance slip)
The elements that were in those statements are now in the NDS.
DSN Centralizes several statements of the employer. For a list of all these statements in DSN, you can consult the following Net-companies document:
What features and declarations does DSN replace?
Net-companies-GIP Modernization of social declarations
Pour en savoir plus
You must submit the DSN once a month. This is the "periodic DSN".
For an event of the type "work stoppage" and "termination of contract", you must send a DSN within 5 days. This is a "DSN event reporting".
periodic DSN
You must transmit a DSN Once a month.
The NSN must be submitted during the month following the period of paid employment.
The date differs depending on the size of the company:
- If the company employs less than 50 employees, the SFD must be made no later than the 15th day of the month following the period of paid work.
- If the company employs 50 or more employees, the SFD must be made no later than the 5th of the month following the period of paid work.
Please note
the rates and ceilings applied to social contributions shall be those for the period of activity, even if the salary is paid the following month.
DSN event reporting
Between two monthly DSNs, you may need to perform a DSN to report an event that occurred.
This NSN must be made within Next 5 days the event.
The events concerned are as follows:
- Work stoppage (sickness, maternity, paternity, etc.)
- Early resumption (when the employee returns to work before the end date of the work stoppage)
- Termination of employment contract (when an employee leaves the company for any reason)
FYI
If an event occurs during the month, you must report it in the "Event Reporting DSN".
Who makes the statement?
You can:
- Or do it yourself
- Either assign it to a reporting third party such as a chartered accountant or to your human resources department
- Make some statements yourself and assign the others to a third party declarant such as a chartered accountant
Please note
If you have a technical problem using your DSN account, you can contact Net-companies Support:
Who shall I contact
How?
General scheme
For your employees connected to the general social security scheme, you must make the DSN on the website net-companies.fr.
Nominative Social Declaration (DSN)
You must register and sign up for an account on net-companies.fr.
You have the choice between an account where you self-declare and an account where you designate another person (an accountant, a payroll officer).
Agricultural sector
You must make the DSN on the website of the MSA: titleContent.
MSA - Companies and farmers - DSN: online declaration
You must declare via the DSN if you have a payroll software; if you do not have a payroll software you can report your agricultural employee hires via TESA+.
FYI
Quarterly reporting (SDR.-ASM) is no longer possible as of January 2024 payroll.
The TESA-S (simplified agricultural service employment title) is now DSN compatible.
Dashboard
After the declaration, you should consult your dashboard to see the responses of social organizations.
Social agencies send you compliance receipts, anomaly summaries, and attestations that you can download, then save, and print.
These reports shall be called CRM (business reporting). They group the anomalies in your report by checking for inconsistencies.
DSN Tracking and Fault Reporting
The Urssaf has implemented a tool called “DSN Tracking” that sends you a report of the anomalies identified on your declaration. You can then quickly correct them by following the advice let the Urssaf tell you.
You can consult the user's guide of the DSN:Urssaf guide - How to report and regularize Urssaf contributions to DSN.
FYI
In the profile from your account, you must check the box " Dashboard DSN Tracking ”.
Which payroll software to choose?
You must have a DSN-compliant payroll software.
This software is used to "translate" the pay slip data into DSN data.
If you do not have a payroll software, you can choose one of the following services:
- Company Service Job Title (TESE) for companies covered by the general social security scheme, or the Tesa (agricultural service job title) for companies in the agricultural sector
- Izilio BTP for construction companies
- Izilio professional ticket office for companies of live entertainment, audiovisual and cinema
- Associative Employment Check (CEA) for non-profit associations or foundations, with less than 20 employees
- Impact emploi association, for some associations (sports, arts, animation, rural families) with less than 10 FTE: titleContent
Please note
The title employment simplified agricultural service (TESA-S) is now compatible with DSN.
Non-transmission of DSN
If you do not transmit the NSN, you risk a penalty of €19.32 per employee.
DSN transmission delay
If you do not submit the NSN within the required time limits, you risk a penalty of €58 per employee and per month late (or fraction of a month late).
The penalty is calculated based on the headcount recorded in the last DSN transmitted.
If the delay is less than or equal to 5 days, the penalty may not exceed €5,796 per company per year.
You can have your late penalties canceled
You can request the cancelation of your late penalties if you meet the following 4 conditions:
- You haven't committed an offense in the last 24 months
- The amount of your penalties is less than €3,864
- You've paid all your dues
- You submitted the DSN
Employee report overlooked
If you forget to declare one of your employees, you risk a penalty of €58 by employee and per month or by a fraction of a month's delay.
It is calculated based on the headcount recorded during the last DSN transmitted.
To avoid the penalty, you are entitled to 30 days after submitting the return to regularize.
Inaccuracy in declarations
- If you report false remuneration, you risk a penalty of €38.64 per employee.
- If you give false information about your employees, you risk a penalty equal to €12.76.
To avoid the penalty, you are entitled to 30 days after submitting the return to regularize.
General scheme employees
The dates on which social security contributions are paid (called payment of contributions in DSN) vary according to the following 2 criteria:
- Average annual company strength (as at 31 December of the previous year)
- Pay Date
Répondez aux questions successives et les réponses s’afficheront automatiquement
Employers with less than 50 employees
Number of staff in the company | Pay Date | Deadline for payment of social contributions |
|---|---|---|
Less than 50 employees | Whatever the date | The 15th of the month M+1 |
Fewer than 11 employees opted for quarterly maturity | The 15th of the 1st month of the following quarter |
Employers with more than 50 employees
Pay Date | Deadline for payment of social contributions |
|---|---|
Month M | The 5th of the month M+1 |
Month M+1 | The 15th of the month M+1 |
Employees affiliated to a special scheme for which the due dates are before 5 or 15 (example: notaries)
The due dates for the DSN and the payment of contributions to the Ussaf and CGSS are aligned with those in force in this special scheme.
This is the case for employers of employees affiliated to the CRPCEN: titleContent who report and pay the contributions on the 5th of month M+1.
Employees of the agricultural system
The dates on which social security contributions are paid (called payment in DSN) vary according to the following 2 criteria:
- Average annual number of company or agricultural holding (at 31 December of the previous year)
- Pay Date
Répondez aux questions successives et les réponses s’afficheront automatiquement
For companies between 1 and 9 employees
Irrespective of the date of payment of the salary, the deadline for payment of contributions is the 15th of the month M+1 following the period of work.
Please note
If you have chosen the quarterly payment option, you pay on the 15th of the month M+1 following the quarter of employment.
For companies with more than 9 employees and less than 11
Date of salary payment | Deadline for payment of social contributions |
|---|---|
No later than the 10th of month M+1 | The 15th of the month M+1 Unless an option is available for a quarterly payment of contributions: in this case, the 15th of the month M+1 following the quarter of employment |
Between the 11th and the end of the month M+1 | 25 of the month M+1 |
For companies with 11 to 49 employees
Date of salary payment | Deadline for payment of social contributions |
|---|---|
No later than the 10th of month M+1 | 15 of the month M+1 |
Between the 11th and the end of the month M+1 | 25 of the month M+1 |
For companies with 50 or more employees
Date of salary payment | Deadline for payment of social contributions |
|---|---|
Month M | 5 of month M+1 |
Between 1er and the 20th of the month M+1 | 15 of the month M+1 |
Between the 21st and the end of the month M+1 | 25 of the month M+1 |
Who can help me?
The public service accompanying companies
Do you have a project, a difficulty, a question of daily life?
Simple and free - you will be called back within 5 days by THE advisor who can help you.
DSN - General Provisions
Date and content of the NSN
Recovery of social contributions (including R2413-12 to R243-15: penalties)
Compulsory declaration of disabled workers for all companies
Online service
Online service
FAQ
Interdepartmental Directorate for Public Transformation (DITP)
Net-companies-GIP Modernization of social declarations
Net-companies-GIP Modernization of social declarations
Central Fund of Agricultural Social Mutual Society (MSA)
Central Fund of Agricultural Social Mutual Society (MSA)
Central Fund of Agricultural Social Mutual Society (MSA)
Net-companies-GIP Modernization of social declarations
Ministry of Finance