Per Khun Supornjed's advice, the head of the relevant Department (i.e., Director level) is authorized to do. In practice, if BU would like to use the TUC customer data to support its business, BU will request via the Data Warehouse and BU will prepare a Memorandum indicating the reasons for the use of TUC customer data to the Data Warehouse (in which said Memorandum should be signed as acknowledged and agreed by the head of the requested Department). Khun Supornjed is unsure whether all of BUs already understand and accept the legal risk.