We have filed GSTR1 for the month of July-17 but lack of knowledge we have not declare RCM details and liability.
Please note that we have shown RCM Laibility in GSTR3B and also make payment also for the month of July-17.
Now can we mention RCM details for the month of july-17 alongwith GSTR1 for the month of Aug-17.
Correcting Reverse Charge Mechanism omission in GSTR1: Amend if possible, or include in GSTR2. Check specific amendment section. A user inquired about correcting an omission of Reverse Charge Mechanism (RCM) liability details in their GSTR1 filing for July 2017, despite having reported and paid it in GSTR3B. The user asked if they could include these details in the August GSTR1. Responses varied: one suggested amending GSTR1 if possible, while others advised that RCM details should be included in GSTR2. Another contributor mentioned that GSTR1 can be amended under a specific section. (AI Summary)
TaxTMI 
TaxTMI 
