How long is the probation period in a Dutch employment contract?
Permanent contract or temporary contract for a least 2 years
If you are offered a permanent contract or a temporary contract for at least 2 years, the maximum probation period is 2 months.
Temporary contract for less than 2 years or a contract without an enddate
If you are offered a temporary contract for less than 2 years or a contract without an enddate (for example a contract for a certain project), the maximum probation period is 1 month.
Central Labour Agreement (CAO in Dutch)
If a CAO is applicable different rules can apply with respect to the length of the probation period. Involved parties (delegates of employers and employees -> unions) can agree a different probation period in the CAO.