These rules implement the childhood disability provisions of sections 211 and 212 of Public Law 104-193, the Personal Responsibility and Work Opportunity Reconciliation Act of 1996 that provide a new definition of disability for children (i.e., individuals under age 18), mandate changes to the evaluation process for children's disability claims and continuing disability reviews (CDRs), and require that disability redeterminations be performed for 18-year-olds eligible as children in the month before they attain age 18.