Prevention of long-term absences and reintegration of sick employees

Littler Belgium 15/01/2026

On 30 December 2025, the Act of 19 December 2025 implementing a strengthened Return‑to‑Work policy and the Royal Decree of 17 December 2025 amending the Code on Well‑Being at Work — concerning the reintegration of incapacitated employees and the prevention of long‑term absence — were published in the Belgian Official Gazette.

The measures on prevention and reintegration were a key priority of the federal coalition agreement. The focus is shifting clearly towards prevention, informal procedures, contact during absences, and early intervention. In addition, all actors involved are being given greater responsibility. These new measures have a significant impact on HR processes and require concrete action from employers.

Actions:

•             Draw up a contact policy and include it in the work regulations.

•             Check the wording of the exemption for medical certificates in the work regulations.

•             Review policy for long-term sick employees: from 8 weeks invitation for work potential assessment; a mandatory   reintegration procedure for employees with work potential must be initiated by employers with ≥ twenty employees no later than six months after the start of the incapacity for work. A medical force majeure procedure can be initiated by employers after 6 months incapacity for work provided that no reintegration procedure is pending.

Prevention

Employees can now request a reintegration procedure before the start of incapacity for work if there is a risk of absence. The employer is not obliged to accept this, but must communicate their decision promptly.

Informal procedure

Employers can now also request a preliminary assessment before resuming work. The employee may refuse this.

Contact during absences

Employers must include a procedure in the work regulations to maintain contact during incapacity for work (contact person and frequency). This requires a formal amendment to the work regulations.

Early appropriate measures

A reintegration procedure can now be initiated by the employer from the first day of incapacity for work (with the employee's consent) or after eight weeks if work potential is established by the occupational physician. This work potential assessment must be initiated by all employers after eight weeks of incapacity for work. Employers with ≥ twenty employees are obliged to start a reintegration procedure for employees with work potential no later than six months after the start of the incapacity for work.

The medical force majeure procedure can now be initiated earlier by the employer after six months incapacity for work (previously nine).

Responsibility of parties

The exemption for submitting a medical certificate is now limited to twice a year (previously three) for employees of employers with ≥ fifty employees. It is therefore advisable to check the work regulations and, if necessary, amend them according to the formal procedure.

In addition, the occupational physician, treating physician and advisory doctor will exchange information via the TRIO platform regarding return-to-work possibilities and employee cooperation in reintegration procedures. This information flow is crucial, as employees may be sanctioned by the health insurance fund after two unanswered invitations from the occupational physician. Such invitations will in future be sent by registered mail.

Employers with ≥ twenty employees who fail to initiate a reintegration procedure for the employee with work potential within the first six months after the start of the incapacity for work risk a level II sanction under the Social Penal Code.

Furthermore, employers with ≥ fifty employees will be required to pay a solidarity contribution of thirty percent of the incapacity benefits during the second and third month of incapacity for work for adult employees under fifty-five years (with exceptions such as temporary workers, flexi-workers and occasional workers).

Conversely, the employer is no longer obliged to pay guaranteed salary when an employee becomes incapacitated again (relapse) within the first eight weeks after the end of a period of incapacity for work for which guaranteed salary was due (previously fourteen days). The employee retains the right to any unused balance of guaranteed salary. In addition, during the entire period of partial resumption of work, the employer is not obliged to pay guaranteed salary in the event of new incapacity for work (previously this exemption applied for the first twenty weeks).

Entry into force

These measures apply from 1 January 2026, with transitional arrangements for solidarity contributions, guaranteed salary and reintegration (only for incapacity for work or procedures from 1/1/2026).

If you have any questions or require support with the implementation of these measures, our team will be happy to assist you. Please feel free to contact us: info@littler.be.