(9)The legally binding requirements applicable to AMIs authorised in the DIFC therefore comprise a two-tiered structure. The core principles contained in the DFSA Rulebook and the DIFC Regulations set out the high-level standards which AMIs must comply with in order to obtain authorisation to provide clearing services in the DIFC (together, the ‘primary rules’). Those primary rules comprise the first tier of the legally binding requirements in the DIFC. In order to prove compliance with the primary rules, AMI Rule 5.6 on ‘Business Rules’ requires AMIs to establish and submit their internal rules and procedures to the DFSA for approval prior to their implementation and DFSA can prevent or disallow them. Those internal rules and procedures comprise the second tier of requirements in the DIFC.