The seller is in Tamil Nadu and the buyer in Karnataka, so the supply is inter-state and the estimated tax is IGST. The 18% rate is for illustration. Use the rate that applies to your goods or services.
Proforma invoice: not a tax invoice. Not valid for input tax credit.
[Your company name]
[Address, city, Tamil Nadu, PIN]
GSTIN: [your GSTIN] | State: Tamil Nadu
PROFORMA INVOICE
Proforma no.: PI/2026-27/022
Date: 21-09-2026 | Valid until: 06-10-2026
Buyer's reference: PO 4417 dated 18-09-2026
Bill to: [Buyer company], [address, Bengaluru, Karnataka], GSTIN: [buyer GSTIN] | Place of supply: Karnataka
| # | Description | HSN / SAC | Qty | Rate (₹) | Taxable value (₹) |
|---|
| 1 | Heavy duty storage rack, 5 tier, powder coated | 9403 | 20 nos | 8,400.00 | 1,68,000.00 |
| 2 | Plastic pallet, 1200 x 1000 mm | 3923 | 40 nos | 1,150.00 | 46,000.00 |
| 3 | Installation at site | 9987 | 1 job | 9,000.00 | 9,000.00 |
| Taxable value | 2,23,000.00 |
| IGST at 18% (estimated) | 40,140.00 |
| Total (₹) | 2,63,140.00 |
| Advance payable now, 50% | 1,31,570.00 |
Total in words: Rupees two lakh sixty-three thousand one hundred forty only.
Terms: 50% advance against this proforma invoice, balance before dispatch. Dispatch within 15 working days of the advance. A tax invoice will be issued at the time of supply, with GST at the rate then in force.
Bank: [Account name], [bank and branch], A/c [number], IFSC [code], UPI [ID]
For [Your company name] — Authorised signatory
Check the arithmetic: 20 racks at ₹8,400 is ₹1,68,000, 40 pallets at ₹1,150 is ₹46,000, and installation is ₹9,000, which makes a taxable value of ₹2,23,000. IGST at 18% is ₹40,140, the total is ₹2,63,140, and half of that is ₹1,31,570.