GST Advisory on IMS Offline Tool Availability on Portal

Document Date: April 23, 2026

Applicable Act/Rule: Central Goods and Services Tax Act, 2017

GST portal issued an advisory regarding the availability of the Invoice Management System (IMS) Offline Tool. The IMS was introduced on the GST portal effective from the October 2024 tax period to enable recipient taxpayers to take actions on invoices uploaded by suppliers through GSTR-1, GSTR-1A, or IFF.

An Excel-based offline utility for IMS has been made available on the GST portal. The tool enables taxpayers to take actions on invoices, including accept, reject, pending, or no action, on individual as well as bulk records.

The tool requires downloading from the GST portal, extraction of the zip file, enabling macros, and use of the Excel utility. Taxpayers can download IMS data in JSON format from the portal and import it into the tool for processing. The tool allows adding remarks and validating the data through a validation function.

After processing, a JSON file is generated and uploaded back to the GST portal through the IMS dashboard. The system processes uploaded data based on validations and business rules applicable on the IMS dashboard.

The tool applies the same validations and business rules as the portal for treatment of invoice records. If no changes are made after importing data, the generated JSON file remains empty. Filter options are available within the tool and are cleared during validation.

In case of validation errors during upload, an error file is generated with status indicating processing with errors. The file can be downloaded, corrected using the offline tool, and re-uploaded after generating a new JSON file.

Uploaded records are incrementally added to existing records. Where records exist for the same GSTIN, such records are replaced or updated based on the uploaded data.

Advisory for IMS Offline Tool on GST Portal

The Invoice Management System (IMS) was introduced on the GST portal effective from the October 2024 tax period. The system enables recipient taxpayers to take actions on invoices uploaded by their suppliers through GSTR-1, GSTR-1A, or IFF, including accepting, rejecting, or keeping such records pending.

With a view to further enhancing taxpayer convenience and facilitating ease of compliance, the IMS Offline Tool is Excel based offline tool which has been now made available on GST Portal. This offline utility enables taxpayers to undertake actions on both individual as well as bulk invoices in an efficient manner.

  1. Steps to use the IMS offline tool:
  2. a) Download the Tool:
    Visit GST Portal: www.gst.gov.in
    • Navigate to Downloads -> Offline Tools -> IMS Offline Tool to download the tool.
  • The tool will be downloaded as a zip file. Extract the zip file, enable the macros through the file properties and open the Excel utility.
  1. b) Download IMS Data from Portal:
  • To download data from GST Portal, navigate to Services -> Returns -> Invoice Management System (IMS) Dashboard -> Offline
  • Click on Download Json. Save the Json file on your system.
  1. Import downloaded Json File and Validate Sheet:
    Click on Open Downloaded IMS Json File in Home sheet.
  • Select the downloaded file from the online portal to auto-populate invoice data.
    • Perform the following actions:

-Accept/Reject/Pending/No Action
-Add remarks (if applicable)

  • Click on Validate Sheet button.
  1. Generate and Upload Json on GST Portal:
    Click on Generate Json File to Upload to create the Json.
  • To upload the Json, login to GST Portal.
    • Navigate to: Services -> Returns -> Invoice Management System (IMS) Dashboard -> Offline.
    • Click on Upload Json to upload the generated file.

Some important points/validations related to using offline tools are:

  • The IMS offline tool follows the same validations and business rules as applicable on the IMS dashboard portal, including treatment of accepted, rejected, pending, and no-action records.
  • If no changes are made on the records after importing the JSON file into the offline tool, the generated JSON file will be empty.
  • The tool provides filter options to filter the invoices based on relevant parameters. Filters are cleared while performing the ‘Validate Sheet’ action.
  • Click on ‘Validate Sheet’ button, to validate data in each worksheet in offline tool, after all the actions required are taken in the sheet.
  • In case of validation failure of details on uploading JSON file, an error file will be generated with status as ‘Processed with Error’. This file can be downloaded, open in offline tool, take relevant actions to remove the highlighted errors and can be uploaded by creating a JSON file again.
  • Upon uploading this JSON file, these records will get incrementally added to the records uploaded earlier. If there are pre-existing records on the Portal, against same GSTIN, those details will get replaced/updated.

Disclaimer: The information contained in this Article is intended solely for personal non-commercial use of the user who accepts full responsibility of its use. The information in the article is general in nature and should not be considered to be legal, tax, accounting, consulting or any other professional advice. We make no representation or warranty of any kind, express or implied regarding the accuracy, adequacy, reliability or completeness of any information on our page/article. 

To stay updated Subscribe to our newsletter today

Explore other Legal updates on the 1-Comply and follow us on LinkedIn to stay updated 

Post Views: 29

Schedule A Demo