GST Invoice Requirements for Freelancers in India [2026]

If you’re a freelancer in India, GST invoicing is unavoidable once you cross the registration threshold. Getting it wrong delays payment and creates compliance headaches. Here’s what you actually need to know.

Do You Need to Register for GST?

GST registration is mandatory if your annual turnover exceeds:

• ₹20 lakh for most service providers
• ₹10 lakh for special category states (Manipur, Mizoram, Nagaland, Tripura)

If you’re below the threshold, GST registration is optional but you cannot charge GST or claim input tax credit.

What Must Be on a GST Invoice

The GST Act specifies exactly what a valid tax invoice must contain:

1. The word “Tax Invoice” — must be labeled as such
2. Your legal name — exactly as it appears in your GST registration
3. Your GSTIN — your 15-digit GST Identification Number
4. Invoice number — unique sequential number for each financial year
5. Invoice date
6. Client’s name and address
7. Client’s GSTIN — required for B2B invoices
8. Place of supply — the state where the service is delivered
9. HSN/SAC code — Service Accounting Code for your service
10. Description of service
11. Taxable value — the base amount before tax
12. Tax rate and amount — CGST + SGST or IGST
13. Total amount
14. Whether GST is payable on reverse charge basis — usually “No”

CGST vs SGST vs IGST — Which Applies?

Intra-state (same state): CGST + SGST

• Your client is in the same state as your registered place of business
• If GST rate is 18%: charge 9% CGST + 9% SGST

Inter-state (different states): IGST

• Your client is in a different state
• Charge the full rate as IGST: 18% IGST

The total tax amount is the same — only how it’s split changes.

GST Rates for Common Freelance Services

Most professional freelance services fall under 18% GST.

Common Mistakes That Create Problems

1. Wrong place of supply. If you list the wrong state, the wrong tax type applies and your client can’t claim ITC correctly.

2. Missing GSTIN. For B2B invoices, the client’s GSTIN is required. Without it, they cannot claim input tax credit.

3. Charging GST below threshold. If you’re not registered for GST, you cannot charge it.

4. Wrong SAC code. Using an incorrect SAC code can trigger GST notices.

The Fast Way: Let Wageasy Handle It

Wageasy automates everything above. Enter your GSTIN and your client’s state once. Every invoice automatically:

• Labels itself as “Tax Invoice”
• Includes your GSTIN
• Calculates CGST + SGST or IGST based on the client’s state
• Generates a clean PDF you can send immediately

Download Wageasy — GST invoicing in 2 minutes →

Related guides:

• Free Invoice Template for Freelancers
• How to Write a Professional Invoice — Step by Step
• Invoice Numbering Systems — GST-Compliant