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 permit
The 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).