In case you have multiple GSTINs under the same business, you can upload invoices from all the GSTINs in a single input format. To make use of bulk upload facility, follow the below-mentioned steps:
Click on ‘Bulk Upload’ on the main menu. Select return to be filed and filing period from the drop down
Click on ‘Browse’, select the relevant input file and click on Upload. The input file should be as per EMG input format.
Finally, click on ‘Refresh’ to see the status as ‘SUCCESS’ or ‘FAILURE’ (in case of structural errors). In case of success, the upload history of every individual GSTIN will have an entry. However, in case of failure, it is shown only at the bulk upload screen.
In case of failure, see the list of structural errors under upload history -> Result Column.