You can arrange your re-enrolment via Studielink. You will need your DigiD to do so. You re-enrolment will be finalised if:

1. you have met all the enrolment requirements,
2. you have paid the tuition fees. 

Step-by-step procedure for Bachelor's re-enrolment 

Step-by-step procedure for Master's re-enrolment 

Tuition fees