Ans. ISD means an office of the supplier of goods or services or both which receives tax invoices towards receipt of input services and issues a prescribed document for the purposes of distributing the credit of central tax (CGST), State tax (SGST)/ Union territory tax (UTGST) or integrated tax (IGST) paid on the said services to a supplier of taxable goods or services or both having same PAN as that of the ISD.