No GST Ruling Issued for Diesel Exhaust Fluid (DEF)
The Maharashtra Authority for Advance Ruling allowed the applicant to withdraw their request, leaving the tax classification of DEF undecided.
- Ruling
- NO.GST-ARA-14/2025-26/B- 82 Mumbai, dt. 20/05/2026
- Dated
- 20 May 2026
- 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
- Rohan Energy Solutions asked for the GST rate and HSN code for DEF.
- The company voluntarily requested to withdraw their application before a decision.
- The authority closed the case without providing any tax guidance.
In short
The company asked the Maharashtra Authority for Advance Ruling (AAR) to clarify the Goods and Services Tax (GST) rate and Harmonized System of Nomenclature (HSN) code for Diesel Exhaust Fluid. Before the authority could decide, the company asked to withdraw their request. Because the request was withdrawn, the authority did not provide any answer on how to tax this product.
What has changed
How it worked before
Businesses were looking for official clarity on whether Diesel Exhaust Fluid should be taxed at a specific rate or classified under a particular HSN code.
What has changed
Nothing has changed. Because the application was withdrawn, there is no new guidance or legal precedent regarding the tax treatment of Diesel Exhaust Fluid.
Who this affects
Manufacturers and traders of Diesel Exhaust Fluid, also known as AdBlue or AUS 32.
An example
Imagine a different company that manufactures Diesel Exhaust Fluid and is unsure of the correct GST rate. They might hope this order provides an answer. However, because this order only records a withdrawal, it offers no help. That company must still determine the correct tax treatment based on existing law or seek their own ruling.
What you should do
Do not rely on this order for your tax planning, as it contains no decision. An advance ruling only binds the specific business that asked for it and their local tax office; it does not set a general law for other businesses.
If you do nothing
If you assume this order provides a tax rate, you risk applying the wrong GST percentage to your sales. If a tax officer disagrees with your classification, you may face demands for unpaid tax, interest, and penalties. Always consult your own tax advisor to confirm your specific product classification.
The terms explained
- Advance Ruling
- A formal decision from tax authorities on how GST applies to a specific business transaction.
- HSN Code
- A system of numbers used to classify goods for tax and customs purposes.
- Diesel Exhaust Fluid
- A liquid used in modern diesel engines to reduce harmful emissions, often called AdBlue.
The ruling in detail
Authority for Advance Ruling
M/s. Rohan Energy Solutions Pvt Ltd
NO.GST-ARA-14/2025-26/B- 82 Mumbai, dt. 20/05/2026 · Maharashtra
Questions before the authority
- What GST rate is applicable for the product Diesel Exhaust Fluid (DEF)?
- What will be the HS N Code for the product Diesel Exhaust Fluid (DEF)?
Facts
The applicant is engaged in the manufacturing of Diesel Exhaust Fluid (DEF), also known as AUS 32 or AdBlue. The product is an aqueous urea solution consisting of 32.5% urea and 67.5% deionized water. The applicant initially sought an advance ruling regarding the GST rate, HSN classification, and registration requirements for this product.
Ruling
The authority did not address the merits of the questions raised. The applicant voluntarily and unconditionally requested to withdraw their application. Consequently, the authority allowed the withdrawal and disposed of the application without issuing a ruling on the taxability or classification of the product.
Reasoning
The applicant submitted an email dated 07.05.2026 expressing their intention to voluntarily withdraw the application. Under the provisions of the Central Goods and Services Tax Act, 2017 and the Maharashtra Goods and Services Tax Act, 2017, the authority permitted the withdrawal. As the request was unconditional, the authority declined to examine the merits or facts of the case.
Provisions relied on
- Section 96 of the Maharashtra Goods and Services Tax Act, 2017
- Section 98 of the Central Goods and Services Tax Act, 2017
- Section 98 of the Maharashtra Goods and Services Tax Act, 2017
For the practitioner
This order provides **no guidance** on the GST rate or HSN classification for Diesel Exhaust Fluid. It serves only as a procedural record of the **voluntary withdrawal** of the application by the taxpayer. Practitioners should note that this order does not constitute a precedent for the tax treatment of DEF.
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/4-rohan_energy_solutions_pvt_ltd_withdrawn_order.pdf
Legibility of the scan, as read: high.
Prepared 11-10-2026.
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