ASTER BILLING Invoicing Under GST 1. What is a GST Invoice? An invoice or a bill is a list of goods sent or services provided, along with the amount due for payment. You can create GST compliant invoices FREE of cost using ClearTax BillBook Software GST-invoice-cleartax 2. Who should issue GST Invoice? If you are a GST registered business, you need to provide GST-complaint invoices to your clients for sale of good and/or services. Your GST registered vendors will provide GST-compliant purchase invoices to you. 3. What are the mandatory fields a GST Invoice should have? A tax invoice is generally issued to charge the tax and pass on the input tax credit. A GST Invoice must have the following mandatory fields: Invoice number and date Customer name Shipping and billing address Customer and taxpayer’s GSTIN (if registered)** Place of supply HSN code/ SAC code Item details i.e. description, quantity (number), unit (meter, kg etc.), total value Taxable value ...