The CBB's specific minimum standards to be followed with respect to verifying customer identity and source of funds are contained in Section FC-1.2, with further explanations provided in Guidance Notes (see Supplementary Information, item FC-(v), in Part B of Volume 4). Enhanced requirements apply under certain high-risk situations: these requirements are contained in Sections FC-1.3 to FC-1.5 inclusive. Additional requirements apply where a licensee is relying on a professional intermediary to perform certain parts of the customer due diligence process: these are detailed in Section FC-1.6. Simplified customer due diligence measures may apply in defined circumstances: these are set out in Section FC-1.8.