15 October 2021
IF IMPORT IGST OMISSION TO FILE THE GSTR-3B FOR THE YEARS 2018-19 BY CLERICAL MISTAKE. PLEASE LET ME KNOW HOW TO NOW GET CREDIT IN THE GSTR-3B FOR THE MONTH OF SEPT.2021 FOR THE OMISSION. PLEASE CLARIFY
31 October 2021
The act doesn't restrict taking of ITC on imports for earlier years. So as such there is no specific provision allowing it. If you need a detailed explanation better take a professional opinion to avoid confusions.