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HomeGuidesForm CMP-08 Guide
FY 2025-26 · AY 2026-27
Updated September 2026

Form CMP-08: Filing Procedure, Due Dates, Penalties, and MoreYour comprehensive guide to understanding and filing Form CMP-08 for FY 2025-26

Learn everything about Form CMP-08, including who should file, due dates, penalties for late filing, and step-by-step filing instructions for the fiscal year 2025-26.

Table of Contents
1

What is Form CMP-08?


2

Who Should File CMP-08?


3

Due Date for Filing Form CMP-08


4

Penalties for Late Filing


5

Filing Procedure for CMP-08


6

FAQs on Form CMP-08

What is Form CMP-08?

Form CMP-08 is a quarterly statement-cum-challan for composition dealers under GST.

  1. Purpose of Form CMP-08

    Form CMP-08 serves as both a statement and a challan for tax payment.

    • Introduced in April 2019 to simplify compliance for composition dealers.

    • Replaces the quarterly GSTR-4 for composition dealers.

    • Used to declare self-assessed tax payable for a quarter.

  2. Key Features

    Understanding the essential features of Form CMP-08.

    • Applicable to businesses under the GST Composition Scheme.

    • Must be filed quarterly by the 18th of the month following the quarter.

    • Designed to ease the tax filing process for small businesses.

Who Should File CMP-08?

Eligibility criteria for filing Form CMP-08.

  1. Eligible Taxpayers

    Taxpayers who must file Form CMP-08.

    • Manufacturers and retailers with an annual turnover up to ₹1.5 crore.

    • Service providers with turnover up to ₹50 lakh under Notification No. 2/2019.

    • Excludes manufacturers of ice cream, pan masala, and tobacco.

  2. Exclusions

    Categories of taxpayers not eligible for filing CMP-08.

    • Persons making inter-state supplies.

    • Casual taxable persons or non-resident taxable persons.

    • Suppliers of goods through e-commerce operators.

Due Date for Filing Form CMP-08

Timelines for filing Form CMP-08 for FY 2025-26.

  1. Quarterly Filing Deadlines

    Specific due dates for each quarter.

    • For Apr-Jun 2025, file by 18th July 2025.

    • For Jul-Sep 2025, file by 18th October 2025.

    • For Oct-Dec 2025, file by 18th January 2026.

  2. Example Calculation

    Illustration of timely filing benefits.

    • Filing on time avoids late fees of ₹200 per day.

    • Timely filing ensures uninterrupted e-way bill generation.

    • Example: Filing by 18th April 2026 for Jan-Mar 2026 quarter.

Penalties for Late Filing

Consequences of not filing CMP-08 on time.

  1. Late Fee Structure

    Details of penalties for delayed filing.

    • ₹200 per day of delay, split as ₹100 under CGST and ₹100 under SGST.

    • Maximum late fee capped at ₹5,000.

    • E-way bill generation blocked after two consecutive missed filings.

  2. Unblocking E-way Bills

    Steps to unblock e-way bills after penalty.

    • Apply to jurisdictional tax official using Form GST EWB 05.

    • File all pending CMP-08 forms for previous quarters.

    • Ensure compliance to avoid future blocks.

Filing Procedure for CMP-08

Step-by-step guide to filing Form CMP-08.

  1. Initial Steps

    Starting the CMP-08 filing process.

    • Log in to the GST portal with your credentials.

    • Navigate to the CMP-08 filing section under the 'Services' tab.

    • Enter your GSTIN details to auto-fill basic information.

  2. Filing Details

    Completing the CMP-08 form.

    • Enter the turnover details for the quarter.

    • Calculate the tax payable and enter the amount.

    • Submit the form and make the payment through the portal.

FAQs on Form CMP-08

What is the GST Composition Scheme?

The GST Composition Scheme is designed for small taxpayers to reduce compliance burden. Businesses with a turnover of up to ₹1.5 crore can opt for this scheme, paying a fixed percentage of turnover as tax.


Can I file CMP-08 offline?

No, CMP-08 must be filed online through the GST portal. The process involves logging in, filling out the form, and making the necessary tax payment electronically.


What happens if I miss the CMP-08 filing deadline?

Missing the deadline incurs a late fee of ₹200 per day, up to a maximum of ₹5,000. Additionally, e-way bill generation will be blocked after two consecutive missed filings.


How do I calculate the tax payable in CMP-08?

Calculate the tax by applying the composition tax rate to your quarterly turnover. For example, if your turnover is ₹50 lakh, and the rate is 1%, your tax payable is ₹50,000.


Is there a penalty for incorrect details in CMP-08?

Yes, incorrect details can lead to penalties. It's crucial to ensure accuracy in the turnover and tax payable figures to avoid any legal consequences.


Can I revise CMP-08 after submission?

No, once CMP-08 is submitted, it cannot be revised. Ensure all details are correct before submission to avoid errors.


What is the tax rate under the Composition Scheme?

The tax rate varies: 1% for manufacturers and traders, and 6% for service providers under the scheme, subject to conditions.


How does CMP-08 differ from GSTR-4?

CMP-08 is a quarterly statement-cum-challan for tax payment, while GSTR-4 is an annual return filed by composition dealers.


What documents are needed for CMP-08 filing?

You'll need your GSTIN, turnover details, and tax calculation for the quarter. Ensure all records are accurate and up-to-date.


How can I check the status of my CMP-08 filing?

Log in to the GST portal, navigate to the 'Returns' section, and check the status of your CMP-08 filing under 'Filed Returns'.

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