Each form has a return address printed in the top right-hand corner. Please use this address to make sure that your request or change report arrives at the right place and you will receive a reply as soon as possible.
General adressDUO's general postal address is:
P.O. Box 50103
9702 GC Groningen
Specific addresses should be used for matters related to degree certificates.
Afdeling Diploma-erkenning en Legalisatie
P.O. Box 30157
9700 L J Groningen
P.O. Box 30158
9700 LK Groningen