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Advance rulings (AAR) Tamil Nadu

GST Classification of Clear Float Glass: Tamil Nadu AAR Ruling

The Tamil Nadu Authority for Advance Ruling decided that standard clear float glass belongs in the residual 'Others' category, not as coated glass.

Ruling
Advance Ruling No. 115/AAR/2023 dated 22.11.2023
Authority
Authority for Advance Ruling

This page was written by Patron Accounting’s AI from the official release and reviewed before publishing. It explains the document in plain language. It is not the document itself. Where this page and the original differ, the original governs.

The short version

  1. The company asked if clear float glass qualifies as having an absorbent layer.
  2. The authority found the tin layer is a natural manufacturing byproduct.
  3. The product is classified under the residual sub-heading 7005 29.

In short

The company asked the Tamil Nadu Authority for Advance Ruling (AAR) to confirm the GST classification for clear float glass. They argued that a thin layer of tin, which forms naturally on one side during production, should classify the glass as having an 'absorbent layer' under tariff heading 7005 10. The authority disagreed, stating that this layer is incidental and not a deliberate coating, meaning the glass falls into the general 'Others' category instead.

What has changed

How it worked before

Businesses were uncertain if the natural tin residue on float glass qualified it for specific tariff headings reserved for coated or absorbent glass.

What has changed

The authority ruled that clear float glass must be classified under the residual sub-heading 7005 29. This means businesses cannot claim the specific tax treatment associated with absorbent or reflective glass based solely on the presence of manufacturing-related tin residue.

Who this affects

Importers and traders of clear float glass who are unsure about the correct GST tariff classification for their products.

An example

A glass trading firm in Mumbai imports clear float glass and wonders if they should classify it under the 'absorbent layer' category to potentially access different tax rates. Based on this ruling, they should recognize that the natural tin layer does not qualify as an absorbent coating. They should classify their product under the residual category 7005 29 to avoid potential misclassification disputes with their local GST officer.

What you should do

This ruling only applies to the specific business that asked the question. If you trade in similar glass, you should review your classification with a tax professional, as your local tax officer is not legally bound to follow this specific decision.

If you do nothing

If you classify your goods incorrectly, a tax officer may issue a notice for tax evasion or misclassification. You could be forced to pay the difference in tax, along with interest and penalties. Relying on a ruling that does not apply to you is not a valid legal defense.

The terms explained

CTH (Customs Tariff Heading)
A standardized code used to classify goods for tax and customs purposes.
Residual category
A catch-all classification used for products that do not fit into more specific, defined categories.
Absorbent layer
A specialized coating applied to glass to change how it interacts with light or heat.

The ruling in detail

Authority for Advance Ruling

M/s FLOAT GLASS CENTRE

Advance Ruling No. 115/AAR/2023 dated 22.11.2023 · Tamil Nadu

Questions before the authority

  • Determination of correct classification of Clear Float Glass.

Facts

The applicant is engaged in the import and trading of glass products. They sought an advance ruling on the classification of 'Clear Float Glass' which contains an absorbent layer of tin on one side, formed naturally during the manufacturing process. The applicant contended that this product should be classified under CTH 7005 1090.

Ruling

QuestionWhat the authority ruled
Classification of Clear Float GlassClassifiable under CTH 7005 2910 if tinted, and CTH 7005 2990 if non-tinted
Based on the Customs Tariff Act, 1975

The Authority ruled that the tin layer is incidental to the manufacturing process and does not constitute an absorbent, reflecting, or non-reflecting layer as intended by the tariff classification. Consequently, the product is not classifiable under CTH 7005 10. It is to be classified under the residual category of 'Others' within heading 7005.

Reasoning

The Authority determined that the tin layer is a byproduct of the float glass manufacturing process and not a specific coating applied for the purpose of absorption or reflection. Relying on **Notes to Chapter 70**, it concluded that the glass has not undergone a specific coating process to qualify for classification under CTH 7005 10. Therefore, the product falls under the general category of 'Others' under heading 7005. The Authority also noted that previous rulings cited by the applicant were specific to those cases and not generally applicable.

Provisions relied on

  • Section 97(2) of the CGST/TNGST Act, 2017
  • Section 98(4) of the CGST Act, 2017
  • Section 103(1) of the CGST Act, 2017
  • Notes to Chapter 70 of the Customs Tariff Act, 1975
  • Section 28J(1) of the Customs Act, 1962

For the practitioner

This ruling clarifies that the presence of a tin layer on float glass, resulting from the standard manufacturing process, does not automatically qualify it for classification as glass with an 'absorbent layer' under CTH 7005 10. Practitioners should note that the Authority **rejected the applicant's reliance on previous case-specific rulings** and emphasized that classification must be based on the specific characteristics of the goods. It settles that such glass is to be classified under the **residual tariff sub-heading 7005 29**.

Source

This is a summary prepared from the published order, which is a scanned document. It is a reading aid and not the authority: where the two differ, the order governs. Verify every provision against the original before relying on it.

Original order: https://www.gstcouncil.gov.in/sites/default/files/AAR/115_float_glass.pdf

Legibility of the scan, as read: high.

Prepared 13-10-2026.

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Is this ruling binding on my business?

No. An advance ruling is only binding on the business that requested it and their specific tax officer.

Can I use this ruling to support my own classification?

You can use the reasoning as a reference for how the authority thinks, but you cannot cite it as a legal precedent that forces your tax officer to agree with you.

What if my local tax officer disagrees with my classification?

If your officer disagrees, you may need to provide technical documentation about your specific product to prove your classification is correct. If the dispute continues, you may need to seek your own advance ruling.

Does the tin layer on my glass change its GST rate?

According to this ruling, the natural tin layer does not change the classification to the 'absorbent' category. You must classify it under the residual category for float glass.