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HSN Codes and GST Rates of HSN 998346

Technical testing and analysis services

HSN Code Description of Service GST Rate

9983

 		Other professional, technical and business services (except research, development, legal and accounting services)

99834

Scientific and other technical services

998346

Technical testing and analysis services

This service code includes

1. testing and analysis of the chemical and biological properties of materials such as air, water, waste (municipal and industrial), fuels, metal, soil, minerals, food and chemicals;

2. testing and analysis in related scientific fields such as microbiology, biochemistry, bacteriology, etc.;

3. testing and analysis of physical properties such as strength, ductility, electrical conductivity or radioactivity of materials such as metals, plastics, textiles, woods, glass, concrete and other materials; tests for tension, hardness, impact resistance, fatigue resistance and high-temperature effects;

4. testing and analysis of the mechanical and electrical characteristics of complete machinery, motors, automobiles, tools, appliances, communication equipment and other equipment incorporating mechanical and electrical components. The results of the testing and analysis generally take the form of an assessment of the performance and behavioural characteristics of the object tested. Tests may be performed using models or mock-ups of ships, aircraft, dams, etc.;

5. periodical technical inspection of automobiles, motorcycles, buses, lorries, trucks and other road transport vehicles; testing and analysis of a technical or scientific nature that does not alter the object being tested;

6. radiographic, magnetic, and ultrasonic testing of machine parts and structures in order to identify defects. These tests are often conducted on site.;

7. radiological inspection of welds

This service code does not include:

- damage assessment services, cf. 997162

- assessment of damages on behalf of insurance companies, cf. 9971620

- medical and dental analyses and testing services, cf. 99931
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20 May

☑ Monthly | GSTR-3B

GSTR-3B for the m/o Apr 2025 (Monthly Taxpayer - Rule 61) - Either Compulsory taxpayer > 5 cr. or Voluntary taxpayer < 5 cr.

☑ Monthly | GSTR-5A

GSTR-5A for the m/o Apr 2025 [Return by OIDAR Service Providers - Rule 64.]

25 May

☑ Monthly | PMT-06

PMT-06 Monthly tax payment for Apr 2025 under QRMP Scheme [Rule 61(1)(ii) - Proviso to Section 39(7)].

Taxpayers have a choice to pay tax either, as per -  

A) Fixed Sum Method OR 
B) Self assessment basis subject to interest on short payment of taxes.
(Notification No.85/2020 - CT)
 
28 May

☑ Monthly | GSTR-11

GSTR-11 for the m/o Apr 2025 (Statement of inward supplies by persons having Unique Identification Number (UIN)).