GST in Tamil Nadu

GSTIN format for Tamil Nadu

Every GSTIN issued in Tamil Nadu starts with the state code 33. Format:

First 2 digits = state code. Next 10 = PAN. Then 1 entity number, 1 alphabet (Z by default), 1 checksum.

Applicable GST rates in Tamil Nadu

Tamil Nadu follows the same GST rate structure as the rest of India:

• 0% — essential items (unbranded food grains, fresh produce)
• 5% — household necessities, transport services
• 12% — processed food, mobile phones, business class travel
• 18% — most goods and services (default rate)
• 28% — luxury goods (cars, AC, premium items) + cess for some

Intra-state vs inter-state from Tamil Nadu

• Intra-state (buyer in Tamil Nadu): GST splits 50-50 into CGST + SGST. Both go to centre + Tamil Nadu state govt respectively.
• Inter-state (buyer outside Tamil Nadu): Full GST as IGST. Centre collects, then settles with destination state.

GST registration in Tamil Nadu

Mandatory if turnover exceeds ₹40 lakh (₹20L for services) for a business in Tamil Nadu. Apply at gst.gov.in. Documents required: PAN, Aadhaar, address proof, photo, bank details, business registration.