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Cost Audit — Applicability, Rules and Compliance

Overview This article provides a comprehensive, plain-language explanation of Cost Audit under the Companies Act 2013. Whether you are a business owner, director, company...

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March 23, 2026
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Last updated: October 2026Verified against: Government sources

Overview

This article provides a comprehensive, plain-language explanation of Cost Audit under the Companies Act 2013. Whether you are a business owner, director, company secretary, or chartered accountant, understanding these provisions is essential for proper compliance.

The relevant provisions are found in Sections 148 of the Companies Act 2013, read with the applicable Rules notified by the Ministry of Corporate Affairs (MCA).

Why This Matters
Non-compliance with provisions related to cost audit can result in penalties ranging from Rs. 10,000 to Rs. 10 lakh for the company and Rs. 5,000 to Rs. 5 lakh for every officer in default. In serious cases, directors can face imprisonment. Understanding these provisions helps you stay compliant and avoid unnecessary penalties.

What the Law Says

The Companies Act 2013 contains specific provisions governing cost audit. Let us examine the key legal requirements:

Key Legal Provisions

Section 148 lays down the primary framework for cost audit. The section establishes who is required to comply, the timelines for compliance, the forms to be filed, and the consequences of non-compliance.

The corresponding Rules -- notified under Section 469 of the Act -- provide the detailed procedural requirements, including the specific forms, documents, and fees applicable.

Applicability

Company TypeApplicable?Special Provisions
Private Limited CompanyYesSome exemptions for Small Companies
Public Limited CompanyYesAdditional requirements for listed companies
One Person CompanyYes, with relaxationsSimplified compliance requirements
Section 8 CompanyYes, with exemptionsCertain provisions may not apply
Small CompanyYes, with relaxationsReduced penalties, simplified procedures

Detailed Explanation with Examples

Let us understand this provision through a practical example.

Example: Suppose Amit runs "TechStar Solutions Private Limited" in Faridabad with a paid-up capital of Rs. 50 lakh and annual turnover of Rs. 3 crore. Here is how cost audit affects his company:

Under the current rules, Amit's company must comply with the provisions related to cost audit. The key compliance steps include identifying the requirement, preparing the necessary documents, obtaining Board or shareholder approval as required, and filing the prescribed forms with the ROC within the specified timeline.

Practical Tip
Most compliance related to cost audit can be handled by your Company Secretary or Chartered Accountant. However, as a director, you should understand the basic requirements because you can be held personally liable as an "officer who is in default" under Section 2(60) if the company fails to comply.
Quick recapKey facts & short answers

Key Facts About Cost Audit -- Applicability

  • Applies in: All states across India, under the relevant central law.
  • Mode: Mostly online via the official government portal.
  • Typical timeline: Ranges from a few days to a few weeks depending on the case.
  • Non-compliance: May attract penalties, interest or late fees.
  • Expert help: TaxClue completes Cost Audit -- Applicability end to end for you.

What is cost audit under Companies Act?

Sections 148 of the Companies Act 2013 govern cost audit. The provisions specify the requirements, procedures, timelines, and penalties applicable to all companies registered in India.

Which companies need to comply with cost audit provisions?

All companies registered under the Companies Act 2013 must comply, though Small Companies and OPCs may have certain relaxations.

Good compliance is boring by design; the drama starts only when something has been skipped.

— TaxClue Compliance Desk

Cost Audit -- Applicability: a key compliance topic in Indian tax and corporate law that businesses and individuals must understand to remain compliant.

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Disclaimer: This article is for general informational purposes only and does not constitute professional tax, legal or financial advice. Laws, rates and due dates change and can vary by individual case — always verify with the relevant government source (e.g. mca.gov.in, incometax.gov.in) or consult a qualified professional before acting. TaxClue accepts no liability for decisions taken based on this content.

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Questions, answered

Short, direct answers to the 6 questions readers ask most on this topic.

Sections 148 of the Companies Act 2013 govern cost audit. The provisions specify the requirements, procedures, timelines, and penalties applicable to all companies registered in India.

All companies registered under the Companies Act 2013 must comply, though Small Companies and OPCs may have certain relaxations.

Penalties range from Rs. 10,000 to Rs. 10 lakh for the company and Rs. 5,000 to Rs. 5 lakh for officers in default. Continuing defaults attract additional daily penalties.

The specific form depends on the nature of the transaction. Common forms include MGT-14 (for resolutions), INC-22 (for registered office), SH-7 (for capital changes), and various others as prescribed in the Rules.

At TaxClue, our team of CAs and CS professionals handles complete compliance. Contact us at for a consultation.

Key updates include the revised Small Company definition (December 2025), Companies Compliance Facilitation Scheme 2026, and revised DIR-3 KYC norms (filing once every 3 years).