CGST

Where the registered person furnishes a valid return within [sixty days] ¹ of the service of the assessment order under sub-section (1), the said assessment order shall be deemed to have been withdrawn but the liability for payment of interest under sub-section(1) of section 50 or for payment of late fee under section 47 shall continue. 

[Provided that where the registered person fails to furnish a valid return within sixty days of the service of the assessment order under sub-section (1), he may furnish the same within a further period of sixty days on payment of an additional late fee of one hundred rupees for each day of delay beyond sixty days of the service of the said assessment order and in case he furnishes valid return within such extended period, the said assessment order shall be deemed to have been withdrawn, but the liability to pay interest under sub-section (1) of section 50 or to pay late fee under section 47 shall continue.] ²