Wrongly enter amount in itc

Manish (Accountant) (250 Points)

15 January 2018  

While filing GSTR3B for Aug-17, wrongly enter amount of Purchase in ITC - IGST column.  Thenafter in every month, system asked to adjust IGST liablity from this wrongly entered ITC.  Also, there is no option to revise the Return.  How to rectify the same.  Please help.