Researcher without a hosting agreement
If the non-EU worker is a researcher who will not work under a hosting agreement, the need for and type of authorisation varies according to the work period in Belgium.
(Art. 9.8° of the RD of 09/06/1999
The researcher will work in Belgium for more than 90 days and maximum 4 years
(art. 9.8 RD 09/06/1999)
Apply for a single permitThe researcher will work in Belgium for a maximum of 90 days
(art. 9.8 RD 09/06/1999)
Apply for a work permit(In the event of successive employment, previous periods are taken into account in the calculation of the 90 days. If the 90 days have been exceeded, see single procedure).