KARACHI - The SBP has renewed the status of External Credit Assessment Institutions (ECAIs) of both the credit rating agencies operating in Pakistan namely JCR-VIS Credit Rating Company Limited and The Pakistan Credit Rating Agency Limited for the calendar year 2010, SBP said on Saturday. Standardised approach of credit risk under Basel-II requires banks / DFIs to use credit ratings assigned by the recognized ECAIs for the purpose of calculation of required capital.