Notice Periods in Belgium

How much notice is an employee required to give when resigning in Belgium?

In Belgium, the notice period required for an employee to give upon resignation varies based on the length of their service and cannot exceed 13 weeks. For employment agreements starting on or after August 1, 2026, the notice period is

• 1 week during the first 6 months of service.

For employment agreements that began prior to this date, the notice period is:

• 1 week during the first 3 months of service
• 2 weeks from 3 to 6 months of service.

After 6 months, the notice period increases with seniority, reaching a maximum of 13 weeks after 8 years of service.