What this template includes
- Provider details
- Business name, address, GSTIN (if registered), contact and logo.
- Invoice details
- Invoice number, date, place of supply and due date.
- Client
- Client name, billing address and GSTIN if registered.
- Service period
- The dates or month the services relate to.
- Service lines
- Description, SAC code, hours or units, rate and amount.
- Tax and totals
- Taxable value, CGST/SGST or IGST, total and amount in words.
- Payment
- Bank account, UPI, payment terms and any reference such as a PO or contract number.
Example use case (illustrative)
A Bengaluru IT support firm bills a client in Chennai for September: a fixed monthly maintenance fee plus 6 hours of on-site work at an hourly rate. Each line carries the relevant SAC code, the service period reads “1–30 September 2026”, and because the client is in Tamil Nadu the invoice charges IGST.
How to fill in the Service invoice
- Enter your details. Add your business name, address, GSTIN if registered, and logo.
- Add the client and any reference. Enter the client’s details and their PO or contract number if they need it for approval.
- State the service period. Give the dates or month the work covers so the client can match it to their records.
- Describe each service. Write what was done, add the SAC code, and enter hours or units with the rate, or a fixed fee.
- Apply tax and terms. Choose CGST + SGST or IGST based on place of supply, add payment terms, then download or print.
SAC codes on service invoices
Services are classified under the Services Accounting Code (SAC) scheme, which sits under chapter 99 of the GST classification. A SAC code works for services the way an HSN code works for goods: it identifies the type of service and is linked to the GST rate. Pick the code that matches what you actually supplied, and check the rate against the current notification.
Service period, place of supply and timing
Clients, especially larger companies, often reject service invoices that do not say what period they cover. Stating the period also helps you when work spans two months or two financial years.
For services, the place of supply follows different rules from goods. For many B2B services it is the location of the registered recipient, but there are exceptions, for example services related to immovable property or events. Check the place of supply before choosing CGST/SGST or IGST.
No e-way bill for services
An e-way bill is needed only for the movement of goods. A pure service invoice does not need one. If you also supply parts or materials that are transported, the goods portion may need its own invoice and e-way bill.