Mandatory Fields in a GST Tax Invoice in India — Without These Invoice Is Invalid
A GST tax invoice is not just a bill — it is a legal document that proves the supply of goods and/or services under the Goods and Services Tax (GST) regime in India. It plays a crucial role in tax compliance, filing of returns, and claiming Input Tax Credit (ITC) . If any mandatory information is missing , the invoice can be treated as defective or invalid , leading to denial of ITC , penalties, and commercial disputes. After the major GST rate overhaul implemented from September 22, 2025 , the GST slabs of 12% and 28% were abolished and replaced with a simplified structure of 5% and 18% for most supplies, along with specific higher rates for luxury/sin goods. This article lists all the key fields that must be mentioned in a GST tax invoice according to the latest law. If these are not included, the invoice cannot be considered a valid tax invoice under GST. 1. Document Title — “TAX INVOICE” Every GST invoice must clearly carry the title “TAX INVOICE” at the top. Without ...