46.1 Prior to opening and maintaining securities accounts in the Central Securities Registry on behalf of his clients (»client account«), the Participant shall make adequate verification of the client's identification.

46.2 Any instruction to change, update or correct a securities account regarding the name, permanent address, or registered office and Unique Identification Number shall be given to the CSU by the Participant, on behalf of his client. Any other change, update or correction shall be made by the Participant.