How The New Rate Structure Changes The Way Businesses Price, Bill And Plan
- Legal Sections
- 08 Oct, 2026
A simpler GST, at least on paper
When GST was introduced in 2017, it came with a long ladder of rates. Over time, traders and manufacturers learned to live with it, but they never stopped complaining that classification disputes and rate confusion ate up time and money. In September 2025, the GST Council approved a major rationalisation, and the changes came into effect from 22 September 2025. The headline is a move towards two main rates, 5 percent and 18 percent, with a special higher rate for a short list of sin and luxury goods.
A year on, businesses are still adjusting. Some saw their prices fall, some saw their margins squeezed, and a few discovered that their old billing software had been quietly charging the wrong rate. If you have not reviewed your own position since the change, this is a good time to sit down with your numbers.
What the change means for pricing
When a rate drops, the natural instinct is to pass the benefit to the customer and hope for higher volumes. That can work, but it should be a deliberate decision, not an accident. Think about your cost structure first. If your inputs also became cheaper, your margin may be intact even after a price cut. If your inputs stayed at the old rate while your output rate fell, you may be sitting on an accumulating credit that needs to be managed.
The opposite situation also deserves attention. A product that moved to a higher rate cannot simply be priced at the old figure without hurting your profit. We have seen small manufacturers keep their price list unchanged for months because they did not want to upset customers, only to realise at year end that they had absorbed the extra tax out of their own pocket. Pricing should be reviewed line by line, not by instinct.
The inverted duty problem
One of the more technical but important issues is an inverted duty structure, where the tax on inputs is higher than the tax on the final product. Whenever the rate on finished goods falls but the rate on raw materials or services stays the same, input tax credit begins to pile up in your electronic credit ledger. That is money tied up with the government.
If you are affected, you should check whether you are eligible to claim a refund of the accumulated credit, and whether your documentation is strong enough to support it. Refund claims are scrutinised closely, and a small inconsistency between your invoices and your returns can delay the process by months. A little care in the monthly reconciliation can make the difference between a smooth refund and a long correspondence.
Billing, software and the transition
Every time rates change, the biggest risk is not the law itself, it is the system that implements it. Accounting packages, point-of-sale software and e-invoicing tools all carry masters of products and tax rates. If those masters are not updated correctly, invoices go out with wrong rates, and fixing them later means credit notes, amended returns and uncomfortable conversations with customers.
We suggest a simple review. Take a sample of invoices from different product categories and compare the rate charged with the current notified rate. Do the same for purchase invoices from your suppliers, since a supplier charging the wrong rate can affect your input credit. It sounds basic, but we regularly find errors in this exercise, even in well-run businesses.
Compliance has not become optional
There is a common misunderstanding that a simpler rate structure means simpler compliance. Rates are only one part of the picture. Returns, reconciliation with GSTR-2B, e-way bills, e-invoicing thresholds and the rules around input credit continue to require discipline. The department's analytics are getting sharper, and mismatches between what you report and what your suppliers report are flagged quickly.
Several businesses also overlook the importance of the correct classification. Even with fewer rate slabs, deciding whether a product belongs in one slab or another depends on its description and tariff heading. A wrong assumption can lead to a demand notice for the difference along with interest. If you deal in products that could be classified in more than one way, it is worth taking an opinion in writing and keeping it on file.
Impact on small businesses and service providers
Small traders are often the ones who feel the changes most directly because they do not have an in-house tax team. They deal with customers who ask why the price has changed and suppliers who are not always sure of the right rate. For them, the best strategy is to stay in close touch with their CA and ask before making assumptions.
Service providers have their own set of questions. Rates on certain services were also revised, and the rules about whether a service qualifies for a particular rate can depend on conditions that are easy to miss. If you provide services to other businesses, check whether your contracts clearly state whether the price is inclusive or exclusive of tax. A contract that is silent on this point can turn a rate change into a dispute about who bears the cost.
A practical annual review
Once a year, preferably after the financial year closes, every business should do a GST health check. Compare the tax you paid with the tax you collected, review the credit you claimed against what appears in your supplier-wise statements, and look at your turnover figures across GST returns, books and income tax filings. If these do not tell the same story, find out why before someone else asks you.
This review is also the right moment to look at your processes. Who prepares your returns? Who checks them? How quickly do you respond to a notice? Many GST problems are not caused by ignorance but by a process that depends on one busy person.
How we can help
Our role as a CA firm is to take away the guesswork. We help businesses review their rate classification, clean up their input credit, prepare refund applications and respond to notices with proper documentation. More importantly, we try to explain what each change means for your actual business, not just for a textbook case.
If you have not reviewed your GST position since the rate changes, get in touch with us. A short review today can save you from a much longer conversation with the department later.