(7)Pursuant to the regulations, CCPs must adopt internal rules and procedures ensuring compliance with all relevant requirements and containing all the relevant aspects related to its function, including the safeguards to manage credit, liquidity and operational risk. Those internal rules and procedures need to be approved by the SCA. Moreover, those internal rules and procedures cannot be amended if the SCA objects to the intended amendments. Moreover, the methodologies for the calculation of the financial resources and the stress test scenarios that a CCP uses are subject to the approval of the SCA.