Wholesale and trading

GST invoice format for a pharma distributor (medicine wholesaler / C&F)

A pharma distributor's GST invoice is checked by two regulators: the GST department and the drug controller. Beyond the standard fields, it must show both parties' wholesale drug licence numbers, batch number, manufacturing and expiry dates, manufacturer, MRP and price to retailer (PTR) for every line, and the schedule category where relevant. Most medicaments under heading 3004 now attract 5%, so accurate HSN and batch-wise lines matter more than rate splitting.

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Sample pharma distributor invoice

Description	HSN/SAC	Qty	Rate (₹)	Taxable (₹)	GST
Paracetamol 650 mg tablets (strip of 15)	3004	200 STRIP	22.40	4,480.00	5%
Amoxicillin and potassium clavulanate 625 mg tablets (strip of 10)	3004	60 STRIP	142.00	8,520.00	5%
Cough syrup 100 ml bottle	3004	48 BTL	78.50	3,768.00	5%
Metformin 500 mg tablets (strip of 15)	3004	150 STRIP	18.90	2,835.00	5%
Disposable syringe 5 ml with needle (box of 100)	9018	5 BOX	520.00	2,600.00	5%
Taxable value				₹22,203.00
GST (CGST + SGST, or IGST if inter-state)				₹1,110.16
Invoice total				₹23,313.16

Sample prices are illustrative. Check the GST rate for your exact item or service before billing.

Extra fields a pharma distributor invoice needs

Seller and buyer drug licence numbers: Selling medicines wholesale needs a licence under the Drugs Rules (Forms 20B and 21B for most wholesalers). Inspectors check that every sale is made to a licensed chemist or hospital, so both licence numbers belong on the invoice.
Batch number: Every strip, bottle and vial is traced by batch. Recalls, not-of-standard-quality alerts and expiry returns are handled batch-wise, so each line must carry the batch exactly as printed on the pack.
Manufacturing and expiry date: Chemists refuse short-expiry stock and inspectors check that expired drugs were not sold. Printing both dates lets the retailer verify shelf life on receipt and supports your own expiry return claims on the manufacturer.
MRP and PTR: Retail margins on medicines are watched closely and price-controlled formulations have ceiling prices. Showing MRP beside the price to retailer makes the margin transparent and helps prove compliance with notified ceiling prices.
Manufacturer / marketed by: The same molecule is sold by many companies. Naming the manufacturer or marketer on each line avoids substitution disputes and links the sale to the company's credit note for breakage and expiry.
Scheme / free quantity: Pharma companies offer 'free' strips such as 10+1. Showing the free quantity on the same line keeps stock and batch traceability correct and stops the bonus being treated as a separate taxable supply.

Standard GST invoice fields

Rule 46 of the CGST Rules applies to every tax invoice, including this one:

Supplier name, address and GSTIN
Consecutive invoice number (max 16 characters, unique for the year)
Date of issue
Customer name, address and GSTIN (if registered)
Place of supply with state name
HSN/SAC code per item
Description, quantity and unit
Taxable value after discounts
GST rate and CGST + SGST or IGST amounts
Signature or digital signature

GST rules that matter for a pharma distributor

Medicaments under 3004 and medical devices under 9018

Heading 3004 covers medicaments put up in measured doses or retail packings, including Ayurvedic, Unani, Siddha and homoeopathic medicines, and the rate notification of 17 September 2025 places them at 5%. Instruments and appliances used in medical, surgical, dental or veterinary sciences under heading 9018, such as syringes and needles, are also in the 5% schedule. Some lifesaving drugs are fully exempt under the separate nil-rate notification; if you stock them, set their rate from that notification rather than assuming 5%, and keep the notification serial number in your item master.

Drug licence details are as important as GSTIN

Selling to an unlicensed buyer is an offence under the Drugs and Cosmetics Act even if the GST invoice is perfect. Distributors should store each chemist's licence numbers and their validity in the customer master, print them on every invoice, and block billing when a licence has expired. The same discipline helps with GST, because the licence holder's name should match the legal name on the GSTIN.

Expiry returns and breakage need credit notes

Expired and damaged stock comes back from chemists and goes back to manufacturers. When you accept it against the original sale, issue a credit note referring to the original invoice and reverse tax, within the section 34 time limit of 30 November following the financial year. When the manufacturer settles your expiry claim, it will issue you a credit note in turn, and you must reduce input tax credit. Keep batch-wise records so the returned batch matches what you sold.

Free schemes and valuation

Bonus strips offered as 'buy 10 get 1' are part of one priced supply; tax is charged on the actual transaction value and nothing extra is due on the free strips if they are shown on the same invoice. Physician samples marked 'not for sale' are different: they are not sold, and the company, not the distributor, accounts for them.

E-way bill for cold-chain and bulk consignments

Medicines moved between your godown and hospitals or sub-stockists need an e-way bill when the consignment value exceeds Rs 50,000. Vaccines and insulin often move in high-value small boxes, so the threshold is crossed quickly even when the parcel is light.

Common billing mistakes

Leaving the batch or expiry column blank for 'free' strips, which breaks traceability in a recall.
Billing a chemist whose drug licence has lapsed because the customer master only checks the GSTIN.
Carrying the pre-September 12% rate in the master for some formulations instead of the 5% now notified for heading 3004.
Returning expired stock to the company on a plain challan without a credit note, so the input tax credit is never reversed.

Pharma distributor GST invoice: FAQ

What GST rate applies to medicines after September 2025?

Medicaments under heading 3004, including Ayurvedic and homoeopathic medicines put up for retail sale, are listed at 5% in Notification 9/2025. Certain specified lifesaving drugs are exempt under the separate nil-rate notification. Verify each product against both before you bill.

Is a drug licence number mandatory on a GST invoice?

GST rules do not mention it, but the Drugs Rules require wholesale sales to be recorded with the buyer's details, and inspectors expect licence numbers on sale bills. Printing both parties' licence numbers is standard practice for pharma distributors.

Can I bill hospitals and clinics on the same format?

Yes. Hospitals usually have GSTIN and a licence for their in-house pharmacy. Doctors running clinics without a pharmacy licence buying for dispensing should be checked against state drug rules before you bill them.

How do I show near-expiry discounts?

Give the discount on the invoice line itself and reduce the taxable value. A separate cash refund later does not reduce GST unless a proper credit note is issued.

Sources: CBIC — Notification 9/2025-Integrated Tax (Rate), dated 17-9-2025 (goods rate schedules) · GST Council — PIB press release on the 56th GST Council recommendations

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