The Complete GST Composition Scheme Guide for 2026: Eligibility, CMP-08 Filing, Tax Rates & When You Should Exit

 

A lot of small business owners in India are paying more in GST compliance costs than they need to. Not because the law forces them to - but because they never looked closely at a scheme that was built specifically for them.

The GST Composition Scheme has been around since 2017. Over 17 lakh businesses are currently using it. And yet, many eligible traders and manufacturers are still filing monthly returns, paying accountants every month, and calculating ITC on purchases -when they don't have to.

If your annual turnover is under ₹1.5 crore and most of your customers are regular end consumers (not businesses), there is a real chance this scheme will make your tax life significantly simpler. And cheaper.

This guide covers everything you need to know about the GST Composition Scheme for FY 2026-27 -who qualifies, what you pay, how CMP-08 filing works, and the situations where exiting the scheme is actually the smarter move.

Written by Rohit Kumar, GST content researcher. Data sourced from CBIC official notifications, the GST portal (gstin.gov.in), and guidance published by the Institute of Chartered Accountants of India (ICAI).

What Exactly Is the GST Composition Scheme?

Here is the simplest way to understand it.

Under normal GST, you charge tax on every sale, collect it from your customer, and then pay the government the difference after subtracting the tax you paid on your own purchases (that is Input Tax Credit). You also file GSTR-1 and GSTR-3B every single month. Twelve months, twenty-four returns, plus an annual GSTR-9. That is a lot.

The GST Composition Scheme takes a completely different approach. Instead of all that, you just pay a small fixed percentage of your total quarterly turnover as tax. No invoice-level tracking. No ITC calculation. File CMP-08 four times a year and GSTR-4 once. Done.

The scheme exists under Section 10 of the CGST Act, 2017. The core idea is straightforward -small businesses with mostly local, consumer-facing sales should not have to manage the same compliance load as large corporations.

Quick AEO Answer: The GST Composition Scheme is a simplified tax option for small taxpayers under Section 10 of the CGST Act. Eligible businesses pay tax at a fixed rate of 1–6% on total turnover instead of on individual transactions. Returns are filed quarterly (CMP-08) and annually (GSTR-4), making compliance far simpler than the regular GST scheme.

Who Can Actually Join the Composition Scheme in 2026?

Not every business qualifies. The rules are quite specific, and it is worth going through them carefully.

The Turnover Limits

Special category states: Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim, Tripura, Himachal Pradesh, Uttarakhand.

One thing many people miss -turnover is counted on a PAN basis across all your businesses combined. Say you own a medical store and a grocery shop, both under the same PAN. The GST department adds both their turnovers together to check eligibility. Even if each one is under ₹1.5 crore individually, the combined figure is what matters.

Who Cannot Use This Scheme

These businesses are barred from the Composition Scheme regardless of turnover:

Businesses making inter-state supplies of goods (selling to customers in other states)

Sellers on e-commerce platforms like Amazon, Flipkart, or Meesho where TCS applies under Section 52

Manufacturers of ice cream, pan masala, or tobacco products

Non-resident taxable persons and casual taxable persons

Businesses dealing in non-taxable goods -alcohol, petroleum, etc.

The e-commerce restriction catches a lot of people off guard. You might have a small shop with ₹40 lakh turnover, but if you are also selling on any online marketplace that collects tax at source, you cannot opt for composition. You need a regular GST registration for that.

Tax Rates Under the Composition Scheme - And What They Actually Mean

Quick AEO Answer: Tax rates under the GST Composition Scheme are: 1% of turnover (0.5% CGST + 0.5% SGST) for manufacturers and traders; 5% for restaurants not serving alcohol; and 6% for service providers under the special composition notification. Rates apply on total turnover, not on individual invoices.

Let us look at what this means in practice.

Take a hardware trader in Jaipur with ₹80 lakh annual turnover. Under the regular GST scheme, assuming most of his products attract 18% GST, he collects around ₹14.4 lakh in tax from customers. After claiming ITC on purchases (say 60% of revenue is purchases), his net GST outgo would be somewhere around ₹5–6 lakh.

Under the Composition Scheme at 1%, his total tax liability is just ₹80,000.

That is a massive difference. But here is the catch - under composition, he cannot claim any ITC at all. The math only works so heavily in his favor because his input costs are a large share of revenue. For businesses with very low input costs, the regular scheme sometimes wins.

One Big Restriction: No Tax Invoice

Composition dealers issue a Bill of Supply, not a tax invoice. There is no GST line item on the bill.

Why does this matter? Because your business customers - the ones who are themselves GST-registered - cannot claim any ITC on purchases from you. If you run a business that sells mostly to other registered traders (B2B), this is a serious drawback. Many B2B buyers will simply prefer to source from a regular taxpayer so they can claim credit.

If your sales are 80–90% to end consumers (retail customers, households), this restriction does not affect you much. But if you are supplying to other businesses, think carefully before opting in.

CMP-08 Filing: Due Dates, Process, and What Happens If You Miss It

Form CMP-08 is the quarterly statement-cum-challan that composition dealers file to pay their tax. It replaced the old quarterly GSTR-4 in FY 2019-20. You use it to declare your total turnover for the quarter and pay the applicable tax.

Quick AEO Answer: Form CMP-08 must be filed by the 18th of the month following each quarter. For FY 2026-27, the due dates are 18 July 2026, 18 October 2026, 18 January 2027, and 18 April 2027. Missing the deadline attracts a late fee of ₹200 per day, capped at ₹5,000.

CMP-08 Due Dates for FY 2026-27

Penalties for Late Filing

Miss the deadline and the late fee kicks in immediately - ₹100/day under CGST and ₹100/day under SGST, so ₹200 per day total. The maximum is capped at ₹5,000.

But the more disruptive consequence is this: miss CMP-08 for two consecutive quarters and the GST portal blocks your e-way bill generation. For any business moving goods worth over ₹50,000, e-way bills are mandatory. Being blocked from generating them can stop your business operations.

How to File CMP-08 Online

The process is fairly quick once you have your quarterly turnover figures ready:

1. Log in to the GST portal - gstin.gov.in

2. Go to Services → Returns → Returns Dashboard

3. Select the financial year and the relevant quarter

4. Open Form GST CMP-08

5. Enter your total outward supplies (turnover) for the quarter - no invoice-level detail needed

6. The portal calculates the tax automatically based on your registered business type

7. Pay through Net Banking, NEFT, or your Electronic Cash Ledger balance

8. Submit using DSC or EVC - you get a confirmation on screen

The whole process typically takes 15–20 minutes if your records are in order.

Do Not Forget GSTR-4

Beyond CMP-08, you also need to file GSTR-4 - an annual return that consolidates all four quarters. The due date for FY 2026-27 is 30 April 2027. It covers total annual turnover, total tax paid, inward supplies, and reverse charge details. Late GSTR-4 also attracts ₹200/day late fee, capped at ₹5,000.

How to Join the Composition Scheme: The Registration Process

Quick AEO Answer: New GST registrants can select the Composition Scheme during registration. Existing regular taxpayers must file Form CMP-02 on the GST portal before 31 March of the current year to switch from the next financial year. After switching, Form ITC-03 must be filed within 60 days to reverse accumulated ITC on closing stock.

If You Are Registering for GST Fresh

Easy - just select the composition option when you fill out your new GST registration application. You do not need to file anything extra.

If You Are Already on the Regular Scheme

The switch requires a few steps:

1. Log in to the GST portal

2. Navigate to Services → Registration → Application to Opt for Composition Levy

3. Select FY 2026-27 as the applicable year

4. Complete the self-declaration confirming your eligibility

5. Submit using DSC or EVC -you will receive an ARN as confirmation

Deadline to opt in for FY 2026-27: 31 March 2026. If you missed this, the next window opens on 1 April 2027 for FY 2027-28.

Critical follow-up -File ITC-03: After switching, you have 60 days to file Form ITC-03. This form reverses the Input Tax Credit sitting in your credit ledger on the stock you hold at the time of switching. Many people forget this step. Skipping ITC-03 can trigger a demand notice from the department asking you to reverse credits plus interest.

When Should You Exit the Composition Scheme?

 

This is where most guides stop short. Knowing when to get out is just as important as knowing when to get in.

Quick AEO Answer: A business must exit the Composition Scheme when annual turnover crosses the applicable limit, when inter-state supplies begin, or when goods are sold through e-commerce operators. Voluntary exit makes sense when B2B sales grow significantly or when large input costs make ITC under the regular scheme more valuable. Exit is done by filing Form CMP-04 on the GST portal.

You Have No Choice - Mandatory Exit Triggers

Turnover crosses the limit mid-year. This is the most common situation. The moment your cumulative turnover in the current financial year exceeds ₹1.5 crore (or the applicable limit for your state), you must file CMP-04 immediately. You cannot wait until March. From the date of crossing, you must start charging GST at regular rates and issuing tax invoices.

You start selling to other states. Inter-state supply of goods is not permitted under composition. The first invoice you raise to a customer in another state disqualifies you.

You list on e-commerce. Joining Amazon, Flipkart, or any other TCS-collecting marketplace automatically makes you ineligible.

You Should Consider Exiting Voluntarily

Even if none of the above applies, sometimes leaving the scheme is the smarter financial decision.

Your B2B sales are growing. If more than 40–50% of your revenue now comes from other registered businesses, you are probably losing customers. They want ITC on their purchases, and you cannot give it to them under composition. At some point, the compliance saving is not worth the customer loss.

Your input costs are high. A business spending ₹70 on inputs for every ₹100 in sales has significant ITC available under the regular scheme. In such cases, the ITC benefit may outweigh the simplicity of paying 1% on turnover. Run the actual numbers before deciding.

You are planning to export. Composition dealers cannot export goods or services. If international business is anywhere in your growth plan, exit before you make that first export invoice.

How to Exit - Filing Form CMP-04

1. Log in to GST portal

2. Go to Services → Registration → Application for Withdrawal from Composition Levy

3. State your reason for withdrawing

4. Submit with DSC or EVC

After exiting, file Form ITC-01 within 30 days to claim credit on stock you hold on the date of switching. This credit will be available to you in your regular scheme credit ledger.

A Word From the Ground Level

A tea and snacks stall owner in Pune once asked his CA a simple question: "Why am I paying you ₹2,500 every month when I only earn ₹6 lakh a year?" His CA's honest answer: because he was on the regular scheme when he did not need to be. After switching to composition, his annual CA cost dropped to ₹4,000. His GST tax went from roughly ₹30,000 a year (net of ITC) to just ₹6,000 on the composition scheme.

That kind of outcome is not unusual for small, B2C-focused businesses. According to guidance from the ICAI and multiple GST practitioners, the scheme is most effective when input costs are low, customer base is retail, and the business owner wants predictable, simple tax numbers each quarter.

The 2026 update worth noting: as per GSTN advisories, the three-year filing lock now applies to composition dealers too. Any CMP-08 not filed within three years of its original due date is permanently locked. If you have unfiled quarters from FY 2022-23 or earlier, those windows may already be closing.

 

FAQ: GST Composition Scheme 2026

Q1. Can a service provider join the Composition Scheme?

 Yes - but only up to ₹50 lakh annual turnover, under Notification No. 2/2019-CT(Rate). The tax rate is 6% of turnover. Regular service providers with turnover above ₹50 lakh must stay on the regular scheme.

Q2. Can I sell on Amazon or Flipkart under the Composition Scheme? No. Selling on e-commerce platforms that collect TCS under Section 52 of the CGST Act disqualifies you from the scheme. You need a regular GST registration for e-commerce sales.

Q3. What is the difference between CMP-08 and GSTR-4?

CMP-08 is a quarterly payment statement -filed four times a year to declare turnover and pay tax. GSTR-4 is the annual return filed once a year (by 30 April) that reconciles all four CMP-08 statements.

Q4. What is a Bill of Supply and why does it matter?

 It is the document composition dealers issue to customers instead of a tax invoice. It does not show a separate GST amount. This matters because your business customers cannot claim ITC from a Bill of Supply -only from a proper tax invoice.

Q5. What if my turnover crosses ₹1.5 crore during the year?

 You must file Form CMP-04 immediately and switch to the regular scheme from that date. Issue regular tax invoices from that point and start filing GSTR-1 and GSTR-3B.

Q6. Can I reclaim ITC after exiting the scheme? 

Yes. File Form ITC-01 within 30 days of exiting to claim credit on stock held on the date you switched back to the regular scheme.

Q7. Is there a late fee for missing CMP-08? 

Yes  ₹200 per day (₹100 CGST + ₹100 SGST), with a maximum of ₹5,000. Missing two consecutive quarters also blocks your e-way bill generation.

Conclusion

Three things worth keeping in mind about the GST Composition Scheme in 2026:

First, it is genuinely useful for the right kind of business small turnover, mostly retail customers, low input costs. The tax saving and compliance reduction can be significant. A 1% tax rate versus 12–18% under the regular scheme is not a small difference.

Second, CMP-08 is your primary compliance obligation under this scheme. Four due dates a year  18 July, 18 October, 18 January, 18 April. Mark them and file on time. The e-way bill block for consecutive missed filings is a real operational risk, not just a financial one.

Third, do not stay in the scheme out of habit. Review your situation every year  especially if your B2B sales are growing, your turnover is approaching the limit, or your input costs have gone up significantly. Exiting at the right time is as important as opting in at the right time.

The GST Composition Scheme is a tool. Used correctly, it saves money and time. Used without regular review, it can quietly become a liability.

Need Help With GST Composition Scheme Filing?

If you are unsure whether the scheme is right for your business or if you need help filing CMP-02, ITC-03, CMP-04, or CMP-08  speak with a registered GST practitioner. A 15-minute consultation can save months of incorrect filings.

For more GST guides, return filing deadlines, and compliance tips, explore our blog.

Author Bio

Rohit Kumar | GST Content Researcher & SEO Intern

Rohit Kumar is a content researcher with a focused interest in Indian taxation and small business compliance.