SAC 998331 Engineering Services • SAC 9983: Other Professional Technical and Business Services

SAC Code 998331: GST Rate & Details

Engineering advisory services

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Common Commodities & Items Covered:

Engineering Advisory GST Classification India GST

Standard GST Rate

18.0% Total Tax

Standard GST slab applicable across India under GST tariff classification.

Intra-State Supply (Local)

CGST (Central Tax): 9.0%

SGST/UTGST (State Tax): 9.0%

When Buyer & Seller are in the same state.

Inter-State Supply (Out of State)

IGST (Integrated Tax): 18.0%

When Buyer & Seller are in different states or export/SEZ.

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Indian GST Invoicing Rules for HSN 998331

HSN Digit Mandate

Turnover > ₹5 Crore: Must mention minimum 6-digit HSN code on all B2B invoices.
Turnover ≤ ₹5 Crore: Must mention minimum 4-digit HSN code on B2B invoices. Optional for B2C.
Exports / Imports: 8-digit HSN code is mandatory.

Mandatory Invoice Fields

GSTIN of Supplier and Recipient (for B2B).
Consecutive Invoice Serial Number & Invoice Date.
HSN/SAC Code, Taxable Value, Tax Rate (CGST, SGST, IGST), and Grand Total.

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Frequently Asked Questions on HSN 998331

Q. What is the GST rate for HSN code 998331 (Engineering)?

The standard GST rate for HSN code 998331 is 18%. For intra-state transactions within the same state, it is split into 9.0% CGST and 9.0% SGST. For inter-state supply, 18% IGST applies.

Q. Is HSN code 998331 classified as Goods or Services?

HSN/SAC code 998331 is legally classified as 'Services' under SAC 9983: Other Professional Technical and Business Services.

Q. Is mentioning HSN code 998331 mandatory on GST invoices?

Yes. As per Indian GST mandate: Businesses with aggregate turnover above ₹5 Crore must mention a 6-digit HSN code on B2B tax invoices. Businesses with turnover up to ₹5 Crore must mention at least a 4-digit HSN code for B2B supplies.

Q. How do I create a GST invoice with HSN code 998331?

You can create a 100% compliant Indian GST invoice with HSN 998331 for free on GST Maker. Simply click 'Create Invoice with this HSN' to pre-populate the tax rates and download your PDF instantly.