Technical testing and analysis

Classification Type

This HSN code is applicable for:

• Service classification in GST (SAC)

Usage

This HSN code should be used when:

• Filing GST returns (GSTR-1, GSTR-3B)
• Creating customer invoices
• Classifying your products or services
• Determining applicable tax rates

HSN Code

9957

Type

Service

First Added

Mar 12, 2026