The notification amends the Companies (Cost Records and Audit) Rules, 2014 by substituting Forms CRA-2 and CRA-4. Form CRA-2 is used for intimating the appointment of a cost auditor to the Central Government, and Form CRA-4 is used for filing the cost audit report with the Central Government. The amendments update the forms to include additional details required for compliance with the Companies Act, 2013 and related rules.