Patna High Court 2024: Assessment Under BGST Cannot Be Based on an Arbitrary 40% of Total Turnover

Simplified Explanation of the Judgment

This Patna High Court decision addresses how tax authorities should assess the Goods and Services Tax (GST) liability of a business that operates in multiple States. The petitioner, a company with operations across India, challenged an assessment order passed by the State tax authority in Bihar for FY 2019–20. The core grievance was simple: while determining the petitioner’s tax in Bihar, the Assessing Officer (AO) treated 40% of the petitioner’s entire India-wide turnover as if it belonged to Bihar—without pointing to any statutory basis for that percentage or showing that those supplies actually pertained to Bihar.

The petitioner explained that it files returns for each State separately. In other words, the turnover within Bihar is already reflected in its annual return for Bihar, and the remaining turnover belongs to other States where it holds registrations and pays tax. According to the petitioner, treating “40% of all-India turnover” as Bihar turnover leads to a double/over-assessment and ignores the structure of GST, where each State’s registration and returns stand on their own.

On the other side, the State’s counsel argued that during rectification proceedings the AO sought supporting documents for turnover declared outside Bihar—such as GSTR-9, GSTIN details, debit notes, trial balance, and books of account related to other States—but the petitioner did not provide them at that stage. It was further argued that these documents were produced only after the assessment order under Section 73(10) of the Bihar Goods and Services Tax Act, 2017 (BGST Act) had already been passed. According to the State, rectification is meant only for correcting “apparent errors” on the face of the record, not for re-opening or re-appreciating facts using new evidence.

The High Court (speaking through the Hon’ble Chief Justice) focused on the legality of the original assessment methodology. The Court examined the assessment order dated 20.08.2024 and found “no statutory sanction” for the AO’s approach of taking “40% of total turnover” as the petitioner’s taxable transactions within Bihar. In a tax regime built on statutory provisions and objective data (returns, invoices, place-of-supply rules, and registration-wise reporting), an unexplained and uniform percentage allocation without a legal anchor cannot survive judicial scrutiny. Consequently, the Court saw “absolutely no reason to sustain” the assessment order itself.

Once the main assessment order fell, the rectification rejection order (which was based on that assessment) also could not be sustained. The Court therefore set aside both: (i) the assessment order dated 20.08.2024, and (ii) the order rejecting rectification. This approach aligns with a basic principle: if the foundation is legally unsound, the superstructure built on it cannot be retained.

Importantly, the Court did not end the matter there. Recognizing the need for a fresh and proper assessment in accordance with law, it remanded the case back to the AO. The petitioner has been directed to appear before the AO with all supporting documents—specifically including documents evidencing turnover in other States—on 20 December 2024. The AO has been directed to afford a full opportunity of hearing on that date or on an adjourned date acknowledged by the petitioner/authorised representative, and thereafter finalize the assessment as per law.

Why does this matter for taxpayers?

  1. Multi-State operations under GST: Businesses with operations in several States typically hold separate GST registrations (distinct GSTINs) and report turnover State-wise. Their tax liabilities are determined by returns and records tied to each State’s registration, governed by place-of-supply rules and specific statutory provisions. An across-the-board percentage applied to an all-India turnover pool—without linkage to actual supplies in a particular State—defeats that framework.
  2. Limits of rectification vs assessment: The Court acknowledged the State’s argument that rectification cannot be used to introduce new evidence or re-argue the case. But the decisive point in this case was more fundamental—the legality of the original assessment method itself. Because the 40% method lacked statutory backing, the assessment was set aside altogether. Fresh assessment will now proceed on the basis of proper documents and legal parameters, not on a rough percentage.
  3. Fair procedure and evidence: The remand ensures both sides present and consider the correct records (returns, GSTR-9, books, trial balance, State-wise GSTIN-linked data). This aligns with due process under the BGST/CGST regime and helps arrive at a defensible assessment that matches the petitioner’s actual Bihar supplies.

Overall, the ruling underlines that assessments must be rooted in statute and evidence, especially in the context of GST’s State-wise compliance architecture. Any percentage-based allocation, unless expressly permitted by law or supported by factual analysis of supplies to/within the State, will not stand. The Court’s direction to reconvene on 20 December 2024 with complete documents provides a clear procedural roadmap: determine Bihar’s taxable turnover from the petitioner’s records and law—not from arbitrary fractions of nationwide revenue.

Significance or Implication of the Judgment

• For taxpayers: Multi-State businesses can rely on this ruling to contest arbitrary allocations of turnover by any State authority. If your Bihar liability is computed by attributing a flat fraction of all-India turnover, the assessment may be vulnerable unless there is a statutory basis and factual support.

• For the tax administration: The decision is a reminder to anchor assessments in section-wise authority (such as Section 73 and related rules), place-of-supply principles, and registration-wise documentary evidence. Rectification should not be treated as a substitute for a fresh assessment; however, where the original assessment lacks legal sanction, the proper course is to set it aside rather than patch it via rectification.

• For compliance culture: The Court’s emphasis on documents—GSTR-9, GSTIN-wise records, trial balance, debit notes, etc.—encourages both taxpayers and the department to maintain and exchange complete data. This should reduce litigation driven by rough estimates and improve assessment quality.

Legal Issue(s) Decided and the Court’s Decision with reasoning

• Can the AO attribute “40% of total (all-India) turnover” as taxable turnover in Bihar without statutory authority?
— Decision: No. The Court found no statutory sanction for such a method in the assessment order dated 20.08.2024 and therefore set it aside. Reasoning: GST liability must be determined on the basis of statute and records showing actual supplies within Bihar, not by an unexplained percentage of nationwide turnover.

• Was the rectification rejection sustainable when the original assessment method itself was without legal backing?
— Decision: No. The rectification rejection order also fell once the underlying assessment was held unsustainable. Reasoning: An order founded on an illegal assessment cannot stand; the matter must be remitted for a fresh decision in accordance with law.

• What is the appropriate procedural course when essential documents are claimed to be produced later and factual verification is needed?
— Decision: Remand. The petitioner must appear before the AO on 20 December 2024 with all substantiating documents; the AO must provide a hearing and then finalize assessment per law. Reasoning: Ensures due process, evidence-based determination, and compliance with the statutory framework (including Section 73(10) BGST Act).

Case Title
Petitioner v. Union of India & Ors.

Case Number
Civil Writ Jurisdiction Case No. 18052 of 2024.

Coram and Names of Judges — Always prefix with Hon’ble
Hon’ble the Chief Justice (K. Vinod Chandran) and Hon’ble Mr. Justice Nani Tagia.

Names of Advocates and who they appeared for
• For the petitioner: Mr. Anurag Saurav, Ms. Sharda Raje Singh, Mr. Ankesh Bidhu, Mr. Abhishek Kumar, Mr. Abhishek Kumar, Ms. Prity Kumari.
• For the respondents: Standing Counsel-11.

Link to Judgment
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