Late fees on GSTR 3 B of March 2021

The extended due date of GSTR 3 B of March 2021for the dealers having turnover below 5 Cr is 19 th June 2021..i.e today..If the same is not filed by that date then in such case whether Late fees and interest to be levied will be from 20 June 2021 or from original due date..