Condonation of delay in filing Form No.10-IC allows companies opting for the optional corporate tax regime to regularise compliance by deadline. Condonation of delay is granted for late filing of Form No. 10-IC for the previous year relevant to A.Y. 2021-22 under section 119(2)(b), provided: the return of income was filed on or before the due date under section 139(1); the company opted for the optional corporate tax regime in the Filing Status of ITR-6; and Form No. 10-IC is filed electronically by the extended deadline specified in the Circular.