During 2001, the Basel Committee on Banking Supervision conducted two data collection exercises (QIS 2 and QIS 2.5) intended to gather information to assess whether the Committee has met its goals with regard to the revised capital framework. The impact studies gathered the data necessary to allow the Committee to gauge the impact of the second consultation document across a wide range of banks in the G10 and beyond, given the differing risk profiles of banks and the extent to which credit risk mitigation is used.