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HomeGuidesCMP-03 Filing Guide
FY 2025-26 · AY 2026-27
Updated September 2026

How to File CMP-03 on GST Portal?A Comprehensive Guide for FY 2025-26

Learn how to file Form CMP-03 on the GST Portal with our detailed guide. Ensure compliance with the Composition Scheme requirements for FY 2025-26.

Table of Contents
1

Step-by-Step Guide to File CMP-03


2

FAQs on CMP-03 Filing

Step-by-Step Guide to File CMP-03

Filing CMP-03 is crucial for taxpayers opting into the GST Composition Scheme. Follow these steps to ensure accurate filing.

  1. Login and Access the Portal

    Begin by logging into the GST Portal to access the necessary forms.

    • Visit the official GST Portal and log in using your credentials.

    • Navigate to ‘Services’ > ‘Registration’ > ‘Stock intimation for opting Composition Levy’.

    • Ensure your GSTIN is handy for quick access.

  2. Download and Prepare the Template

    Download the Excel template to input your stock details.

    • Click on ‘DOWNLOAD TEMPLATE’ to get the Excel file.

    • Unzip and open the file, enabling macros by clicking ‘Enable Content’.

    • Enter your GSTIN and prepare to input stock details.

  3. Enter Stock Details

    Accurately enter your stock details in the template.

    • Use the ‘Insert Rows’ feature to add the necessary number of rows.

    • Bifurcate stock details into purchases from registered and unregistered dealers.

    • Validate the data to ensure there are no errors before proceeding.

  4. Upload and Validate the File

    Upload the completed file to the GST Portal for validation.

    • Generate the upload file by clicking ‘Generate File to Upload’.

    • Return to the GST Portal and select ‘Choose File’ to upload.

    • Validate the file to calculate the tax payable on the stock.

  5. Final Submission

    Complete the filing process by submitting the form.

    • Update the Electronic Liability Ledger with the calculated tax.

    • Select the ‘Verification’ checkbox and provide the necessary signatory details.

    • Submit the form using DSC, E-SIGN, or EVC to receive an ARN.

Ensure all steps are followed meticulously to avoid any compliance issues with the GST authorities.

FAQs on CMP-03 Filing

What is the deadline for filing CMP-03?

The deadline for filing CMP-03 is within 90 days from the date of filing CMP-02. Ensure timely submission to avoid penalties.


Can I amend the CMP-03 form after submission?

Once submitted, CMP-03 cannot be amended. Ensure all details are accurate before submission to avoid discrepancies.


What happens if I miss the CMP-03 filing deadline?

Missing the CMP-03 filing deadline may result in penalties and interest charges. It is crucial to adhere to the timeline.


How is the tax calculated on the stock declared in CMP-03?

The tax is calculated based on the stock details provided, considering purchases from registered and unregistered dealers.


Is there a fee for filing CMP-03?

There is no fee for filing CMP-03. However, ensure all dues are cleared in the Electronic Cash Ledger.


What documents are required for CMP-03 filing?

Keep your GSTIN, stock purchase invoices, and details of registered and unregistered dealer purchases ready.


Can CMP-03 be filed offline?

CMP-03 must be filed online through the GST Portal. Offline submissions are not accepted.


What is the role of the Electronic Liability Ledger in CMP-03 filing?

The Electronic Liability Ledger records the tax payable on the stock, which must be settled using the Electronic Cash Ledger.


How do I verify my CMP-03 submission?

Verification can be done using DSC, E-SIGN, or EVC. Ensure the authorized signatory details are correctly entered.


What is the ARN in CMP-03 filing?

The Application Reference Number (ARN) is generated upon successful submission, serving as proof of filing.

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