S. 245C : Settlement Commission-Settlement of cases-Powers of Central Board of Direct Taxes-Delegated legislation-Maintainability of application-Search conducted prior to 31-3-2021 but notices under sections 153A / 153C issued thereafter-Application filed before 30-9-2021-Rejection on ground that no “case” pending as on 31-3-2021 pursuant to CBDT Order-Held, statutory requirement is pendency of a case on date of application-CBDT cannot expand definition of “case” under section 245A(b) or impose substantive eligibility conditions by delegated legislation-Clause in CBDT Order requiring pendency as on 31-3-2021 held ultra vires-Order partly reversed. [S. 119(2)(b), 132, 153A, 153C, 245A(b), Art. 226]