Why do I have to enter the OIB? 17 December 2020 13:22 Updated Don't worry. We will store and use your data following GDPR. OIB will be important for us to complete the process of buying or selling a vehicle. Related articles Why do you charge a fee? Why would anyone pay a commission if they can come straight to my salon? How can I contact you? Is there a possibility of financing through the platform?