Contribution
The NVBMB is an open section of the KNCV, so you do not have to be a KNCV member to become an NVBMB member. The membership contribution is € 30,- for KNCV members and € 40,- for non-KNCV members. Student members of the KNCV pay only € 5,-, while other students pay  € 15,-. Members who want to receive the magazine Mediator pay € 5,- extra. Student members will receive Mediator for free for the first three years of their membership.