You can become a member of the Bolyai Society after completing the registration form and paying the annual membership fee of 20 RON.
The payment of the membership fee can be done at the headquarters of the Society or by bank transfer. The necessary data:
Vat number: 4525526
Address: B-dul 21.Dec. 1989. Nr. 116, 400604 Cluj Napoca
Bank: BRD, Cluj
The registration form can be downloaded from here: Form.