To make a withdrawal you must prove ownership of the used bank account, you can do this by sending proof of IBAN. In order for your proof of IBAN to be accepted, the following information must be included in this official document: ﻿﻿﻿IBAN number Your name as the account holder Logo / identification of the bank The following documents are accepted as proof of IBAN: Photo of your bank card with all four corners clearly visible Attestation of bank identity (RIB certificate) - download your attestation of bank identity by clicking on your bank; ING, KBC. You can upload a photo or a scanned copy of the above documents in your profile under 'Documents'.