
Inverted Duty Structure Refund Under GST
When inputs carry more GST than your output, credit piles up. See who can claim an inverted duty refund, how Rule 89(5) works, and how to file RFD-01.
GST touches almost every business decision — where you register, where you hold stock, how you invoice and what you can claim back. These articles cover what comes up in practice: when registration becomes mandatory, how returns fit together and what to do when a notice arrives. Many focus on place of business, where most registrations are delayed or rejected — the address on your certificate must match what an officer finds, and the rules differ for a principal address, an additional warehouse and a state with no premises.
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When inputs carry more GST than your output, credit piles up. See who can claim an inverted duty refund, how Rule 89(5) works, and how to file RFD-01.

Every GST transaction is a type of supply that fixes the rate, tax head, credit and reporting. Here is each type of supply, with examples and GSTR-3B tables.

Verify any GST number free on the GST portal without logging in. See what to check in the result, how the 15-character GSTIN works, and the red flags to watch.

Closing a business or no longer liable for GST? Cancel the registration through REG-16, settle tax on closing stock, and file the GSTR-10 final return on time.

GSTR-3B is the return where you declare tax, claim credit and pay. Here is the filing process table by table, the 2025 portal changes and how to fix errors.

India has four types of GST: CGST, SGST, IGST and UTGST. Learn which one applies to a sale, how the 5%, 18% and 40% slabs work, and how credits are set off.

Selling at an exhibition or pop-up in a state with no fixed place? You need casual taxable person registration before your first sale. Here is the timeline.

Registering for GST below the threshold suits some businesses and costs others. Compare ITC, customer pricing and filing work with this worksheet first.

Cash in your GST cash ledger can be refunded through RFD-01, without the two-year limit that applies to ITC refunds. Check the ledger, dues and returns first.

A partnership firm registers for GST on its own PAN, with the deed as constitution proof. See how partners, signatory and premises fit into one REG-01 filing.

Foreign income counts towards the ₹20 lakh GST threshold, and not every overseas invoice is an export. See when freelancers must register, and what comes next.

Prepare a letter of authorisation for GST registration that matches REG-01: who signs, who accepts, how it differs from a NOC, plus a specimen you can adapt.

Only an officer's cancellation can be revoked. See the 90-day and 270-day REG-21 windows, the returns and dues to clear first, and when an appeal fits better.

Regular businesses file GSTR-1 and GSTR-3B, plus GSTR-9 above ₹2 crore turnover. See which GST return every other taxpayer files, with current due dates.

Ecommerce operator explained: the Section 2(45) definition, TCS duties under Section 52, Section 9(5) services, and when your own store crosses the line.

No special GST rate exists for online sales. How the 0, 5, 18 and 40 percent slabs apply to ecommerce, and how to treat shipping, commission and combo packs.

Most online sellers need GST from the very first order. The three exemptions that do exist, and why inter-state selling cancels almost all of them.

The impact of GST on ecommerce sellers, measured in rupees rather than adjectives: blocked TCS, cash timing on COD, blocked credits and the real filing load.
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