Sub-contractor's work contract services taxed at 18% pre-2018; reduced to 12% after.

The authority ruled that the services of work contract provided by the applicant as a sub-contractor were taxable at the rate of 18% for the period prior to 25.01.2018. The reduced rate of 12% introduced by Notification No. 01/2018-CT (Rate) is applicable only from 25.01.2018 onwards.

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Issues Involved:
1. Classification of services provided by the applicant.
2. Applicability of GST rates on services provided by a sub-contractor before and after 25.01.2018.
3. Interpretation of amendments to Notification No. 11/2017-CT (Rate) and Notification No. 01/2018-CT (Rate).

Issue-wise Detailed Analysis:

1. Classification of Services Provided by the Applicant:
The applicant, M/s. Kunal Structure (India) Pvt. Ltd., entered into a contract for the construction of Deendayal Upadhyay Govt. Medical College, Rajkot with M/s. HLL Infra Tech Service (HITES) Ltd., a Government of India Enterprise. The services provided by the applicant are classifiable under heading No. 9954 (Construction service) as per the Scheme of classification of service annexed to the Notification No. 11/2017-CT (Rate) dated 28.06.2017.

2. Applicability of GST Rates on Services Provided by a Sub-contractor Before and After 25.01.2018:
The applicant sought an advance ruling to determine whether the services provided by them as a sub-contractor were taxable at the rate of 12% for the period prior to 25.01.2018. The relevant notifications and amendments considered were:

- Notification No. 11/2017-CT (Rate) dated 28.06.2017: Initially provided the GST rate for construction services.
- Amendment by Notification No. 01/2018-CT (Rate) dated 25.01.2018: Introduced new categories and rates for works contract services provided by sub-contractors.

The applicant argued that the amendment introduced by Notification No. 01/2018-CT (Rate) should be considered prospective, effective from 25.01.2018, and not applicable retrospectively. They relied on the principle that amendments are prospective unless specified as clarificatory.

3. Interpretation of Amendments to Notification No. 11/2017-CT (Rate) and Notification No. 01/2018-CT (Rate):
The authority examined the notifications and amendments in detail:

- Notification No. 11/2017-CT (Rate) dated 28.06.2017: Provided a GST rate of 18% for composite supply of works contract as defined in clause 119 of Section 2 of the CGST Act, 2017.
- Notification No. 01/2018-CT (Rate) dated 25.01.2018: Introduced a reduced GST rate of 12% for services provided by a sub-contractor to the main contractor supplying services to the government.

The authority concluded that the amendment by Notification No. 01/2018-CT (Rate) dated 25.01.2018 is prospective in nature and effective from the date of its issue, i.e., 25.01.2018. Therefore, the reduced GST rate of 12% is not applicable for the period prior to 25.01.2018.

Ruling:
The authority ruled that the services of work contract provided by the applicant as a sub-contractor were taxable at the rate of 18% for the period prior to 25.01.2018. The reduced rate of 12% introduced by Notification No. 01/2018-CT (Rate) is applicable only from 25.01.2018 onwards.

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