About HSN Code 38180030
HSN Code 38180030 covers Gallium Nitride Epitaxial Thin Film on Substrate and attracts a GST rate of 12%. For intra-state supplies, this is split as 6% CGST + 6% SGST. For inter-state supplies, 12% IGST is charged. This code falls under the Chemicals & Materials sector (Paint, fertilizer, rubber, plastics, pharma).
How to Use HSN Code 38180030 on GST Invoices
- Include the HSN code 38180030 on every GST invoice for gallium nitride epitaxial thin film on substrate
- Businesses with turnover above ₹5 crore must use 6-digit HSN codes
- Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
- The HSN code must match the product/service description on your invoice
- Incorrect HSN codes can lead to GST notices and ITC mismatches
Related HSN Codes
- 38180010 — Undefused Silicon Wafers
- 38180020 — Silicon Carbide Epitaxial Thin Film on Substrate
- 38180090 — Other
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Last verified: 2026-06-26 · Source: CBIC Master Tariff