What is the CSG Increase Compensation in the Public Service?

Verified 01 January 2025 - Directorate for Legal and Administrative Information (Prime Minister)

At 1er january 2018, the CSG: titleContent has gone from 7.5% to 9.2%. To compensate for the loss of income resulting from this increase, a compensatory allowance was granted to public officials. The amount of this allowance depends on whether you were appointed or recruited before 2018 or after 2018. We present you with the information you need to know.

Agent appointed or recruited before 2018

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You were in your position and paid as of December 31, 2017

What are the conditions to be met to receive the CSG compensatory allowance?

You receive compensation for the increase in CSG in January 2018 if you meet the following 3 conditions:

  • You are an official (full-time or non-full-time) or a contract agent
  • You were appointed or recruited before 2018
  • You were in your position and paid as of December 31, 2017.
What is the gross amount of the CSG compensatory allowance?

The annual gross amount of the CSG compensatory allowance is calculated as follows:

  • Your 2017 gross annual remuneration is multiplied by 1.6702%
  • The annual amount of the exceptional solidarity contribution that was deducted in 2017 from your gross remuneration and, if you are a contractual employee, also the annual amounts of your health insurance contributions and the contribution to unemployment insurance shall be deducted from the amount so obtained
  • The result obtained is multiplied by 1.1053.

The gross remuneration taken into account includes all elements of remuneration (index salary, residence allowance, family salary supplement, new index increase, premiums and allowances, benefits in kind).

Refunds of professional expenses are not taken into account.

If you were appointed, recruited or reinstated during 2017, the gross remuneration you received is reported on an annual basis for the whole of 2017.

Example :

You've been nominated for the 1re time on 1er September 2017 and received 4 months of remuneration in 2017. The annual gross remuneration taken into account for the calculation of your compensatory allowance is equal to your gross remuneration / 4 x 12.

At 1er january 2025, if your compensation has increased between 2023 and 2024, your compensation amount is reassessed in proportion to that increase using the following formula:

Annual gross compensation 2024 / Annual gross compensation 2023) x Initial amount of compensation 2024

If you are temporarily no longer paid on 1er January 2025 (due to parental leave, availability, etc.), the review of the amount of your compensatory allowance is carried out upon your return.

What are the contributions to which the CSG compensatory allowance is subject?

The compensatory allowance shall be subject to the following contributions:

  • Contribution to the Supplementary Public Service Pension Plan (PSPP) if you are a public servant
  • Sickness and retirement contributions from the general social security scheme and contributions to the Ircantec if you are a contract or a non-full-time territorial official working less than 28 hours per week
  • CSG and CRDS: titleContent whether you are a public servant or a contractor.
How is CSG compensation paid?

One 12e of the net annual amount of the allowance shall be paid each month.

The allowance is shown in a specific section on the pay slip.

Its amount shall be discounted, upwards or downwards, in the same proportions as index salary, in the event of a change to part-time work or sick leave on half-salary or without salary.

In the event of a change of employer, the amount of the allowance shall be communicated to the new employer.

You were not paid on December 31, 2017 (parental leave, availability,...)

What are the conditions to be met to receive the CSG compensatory allowance?

If you were not paid as of December 31, 2017 (due to parental leave, availability, etc.), you receive the CSG top-up compensation if you are civil servant full-time or non-full-time working more than 28 hours per week.

What is the gross amount of the CSG compensatory allowance?

The allowance is a lump sum monthly amount equal to your monthly gross earnings on the date of your reintegration multiplied by 0.76%.

The monthly remuneration taken into account is your 1re remuneration paid for a full month.

The gross remuneration taken into account includes all elements of remuneration (index salary, residence allowance, family salary supplement, new index increase, premiums and allowances, benefits in kind).

Refunds of professional expenses are not taken into account.

At 1er january 2025, if your compensation has increased between 2023 and 2024, your compensation amount is reassessed in proportion to that increase using the following formula:

Annual gross compensation 2024 / Annual gross compensation 2023) x Initial amount of compensation 2024

If you are temporarily no longer paid on 1er January 2025 (due to parental leave, availability, etc.), the review of the amount of your compensatory allowance is carried out upon your return.

What are the contributions to which the CSG compensatory allowance is subject?

The compensatory allowance shall be subject to the following contributions:

How is CSG compensation paid?

The net compensatory allowance is paid monthly.

It is the subject of a specific section on the pay slip.

In the event of reintegration during the month, it shall be paid on the basis of the number of calendar days presence.

Its amount shall be discounted, upwards or downwards, in the same proportions as index salary, in the event of a change to part-time work or sick leave on half-salary or without salary.

In the event of a change of employer, the amount of the allowance shall be communicated to the new employer.

Staff appointed or recruited from 2018

What are the conditions to be met to receive the CSG compensatory allowance?

You receive compensation for the increase in CSG if you are a public servant and work more than 28 hours a week.

What is the gross amount of the CSG compensatory allowance?

The allowance is a lump sum monthly amount equal to your monthly gross remuneration, on the date of your appointment or recruitment, multiplied by 0.76%.

The monthly remuneration taken into account is your 1re remuneration paid for a full month.

The gross remuneration taken into account includes all elements of remuneration (index salary, residence allowance, family salary supplement, new index increase, premiums and allowances, benefits in kind).

Refunds of professional expenses are not taken into account.

At 1er january 2025, if your compensation has increased between 2023 and 2024, your compensation amount is reassessed in proportion to that increase using the following formula:

Annual gross compensation 2024 / Annual gross compensation 2023) x Initial amount of compensation 2024

If you are temporarily no longer paid on 1er January 2024 (due to parental leave, availability, etc.), the review of your compensatory allowance is carried out upon your return.

What are the contributions to which the CSG compensatory allowance is subject?

The compensatory allowance shall be subject to the following contributions:

How is CSG compensation paid?

The net compensatory allowance is paid monthly.

It is the subject of a specific section on the pay slip.

In the case of recruitment or appointment during the month, it shall be paid according to the number of calendar days presence.

Its amount shall be discounted, upwards or downwards, in the same proportions as index salary, in the event of a change to part-time work or sick leave on half-salary or without salary.

In the event of a change of employer, the amount of the allowance shall be communicated to the new employer.