GSTR 1 Penalty waiver

Kalidass (Accountant) (196 Points)

08 January 2020  
From 2017 to 2019 my sales Turnover is under 1.5 crores(EACH YEAR). To get penalty waive , on which date must file GSTR 1?. Is it 10/01/2020 or 31/01/2020?.Please guide...