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Published on 4 April 2025

Mandatory GST Input Service Distributor Registration Explained for Businesses

Introduction

Effective from 1st April 2025, all GST-registered entities with multiple GST Identification Numbers (GSTINs) under the same Permanent Account Number (PAN) must register as an Input Service Distributor (ISD) to facilitate Input Tax Credit (ITC) distribution. This amendment seeks to enhance compliance, streamline the ITC distribution process, and enable centralized credit management across various branches or locations of a business.

Understanding Input Service Distributor (ISD)

An Input Service Distributor (ISD) is a GST-registered taxpayer that receives invoices for services utilized by its branches or units. The ISD is responsible for distributing the ITC on these services proportionally to its branches through ISD invoices.

  • Branches receiving ITC may hold different GSTINs, but they must share the same PAN as the ISD.
  • This framework ensures effective allocation of ITC for services while adhering to GST regulations.

Situations Where ISD Cannot Distribute ITC

An Input Service Distributor (ISD) is restricted from distributing ITC under the following conditions:

  1. ITC on Inputs and Capital Goods:
    • The ISD can only distribute ITC related to services, not on inputs (e.g., raw materials) or capital goods (e.g., machinery).
  2. Outsourced Manufacturers or Service Providers:
    • The ISD cannot distribute ITC to outsourced manufacturers or service providers that do not share the same GSTIN under the same PAN.

Registration Process as ISD

Entities must register as an ISD in addition to their standard GST registration:

Steps for ISD Registration

  • The taxpayer must select the ISD status under Serial No. 14 of the GST REG-01 form during registration.
  • Only upon making this declaration can the ISD commence distributing ITC to its branches.

ISD Returns and Compliance Requirements

To maintain compliance, the ISD must adhere to the following guidelines:

  • The amount of ITC distributed by the ISD must not exceed the available ITC at the end of the relevant month.
  • The ISD is required to file GSTR-6 by the 13th of the following month.
  • Available ITC can be viewed by the ISD in GSTR-2B.
  • Recipient branches can check distributed ITC in GSTR-6A, which is auto-populated from the supplier’s return.
  • The recipient branch can claim the ITC in GSTR-3B.
  • Notably, the ISD is not required to file the annual return in GSTR-9.

Conclusion

With the ISD registration becoming mandatory as of 1st April 2025, businesses operating with multiple GSTINs must ensure they register on time as ISDs. This legislative amendment will simplify the ITC distribution process, enhance transparency, and ultimately lead to better compliance and improved credit management under GST.

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