GST 1 Return. My Customer has ISD Number

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This query is : Resolved

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A business owner is seeking advice on which GST number to include on a service invoice. Their client has both a standard GST number and an ISD (Input Service Distributor) number, both registered under the same PAN and in the same state. The query is whether to use the original GST number or the ISD number on the invoice.

Rajesh Topiwala

Rajesh Topiwala (Querist)
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03 June 2025 I AM HAVING A GST NUMBER. I RAISE A SERVICE INVOICE TO MY CLIENTS. One of my client has an ISD NUMBER UNDER GST. THEY ( client ) NOW HAVE TWO NUMBERS. OND GST AND ANOTHER ISD UNDER GST. SINCE UNDER THE SAME PAN, THEY HAVE TAKEN AS HEAD OFFICE & ONE ISD. BOTH IN ONE STATE.

MY QUERY IS THAT WHEN I RAISE A SERVICE INVOICE, WHICH GST NUMBER SHOULD I MENTION IN THE INVOICE ? GST OR their ISD.