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Get Contact by GST Number to Recover a Delayed MSME Payment
Get contact by GST number for a buyer who has not paid, then follow a clear route: the accounts person, a written reminder, and the MSME payment process.
GST Identification Number
27ABCDE1234F1Z0
- Legal nameSample Traders Pvt Ltd
- StateMaharashtra (27)
- RegistrationActive
- Phone+91 98XXX XXXXX
- Emailc****@example.com
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Reading time 4 min
Last reviewed October 2026
Get contact by GST number is often the first step for a small supplier whose invoice is overdue. The buyer’s purchase manager stops answering, the accounts team says the bill is “in process”, and weeks become months. For micro and small enterprises, the law offers real support: agreed payment limits, interest on late payment and a facilitation council that hears complaints. But each step works best when you have reached the right people at the buyer and kept a record of doing so.
This guide covers how to find the right contacts at a buyer from its GSTIN, how to chase politely and firmly, and when to use the formal MSME delayed-payment route.
Quick answer
- Find the buyer’s accounts payable contact, not just the purchase contact.
- Use the GST record to confirm the buyer’s legal name and address for formal notices.
- Micro and small suppliers have legal payment limits and interest rights.
- A registered Udyam supplier can file a delayed-payment application online.
- Keep invoices, delivery proof and your contact log ready.
Finding the Right People at the Buyer
Purchase staff place orders; accounts payable releases money. Ask your purchase contact who handles payments, and get that person’s name, phone and email. For larger buyers, the vendor support desk or the finance team’s general line may be listed on their website. For companies, the corporate registry names directors, useful if you need to escalate.
Confirming the Buyer's Legal Details
Search the buyer’s GSTIN to confirm the exact legal name, the principal place of business and the status. Formal reminders and any later application must name the legal entity correctly and use its registered address. If the buyer has several GSTINs, use the one on your invoice.
Your Rights as a Micro or Small Supplier
Under the law for micro, small and medium enterprises, a buyer must pay a micro or small supplier by the agreed date, and the agreed period cannot exceed forty-five days from acceptance. Without an agreement, payment is due within fifteen days. Late payment attracts compound interest at three times the bank rate notified by the central bank. Since recent changes to income tax rules, buyers may also lose the deduction for such payments if they are made late, which gives them a clear reason to pay on time.
Need the contact behind a GSTIN?Get the sample format with verified business contact fields.
Chasing Politely and Firmly
Start with a call to the accounts contact, quoting invoice numbers, dates and amounts. Follow up by email the same day, summarising what was said. If nothing moves, send a formal reminder to the legal name at the registered address, mentioning the payment terms, your status as a registered micro or small enterprise, and the interest that applies. Keep each communication courteous; many delays are internal process problems the buyer’s own staff are also chasing.
The Formal Delayed-Payment Route
If reminders fail, a supplier with a Udyam registration as a micro or small enterprise can file an application on the government’s delayed-payment portal. The application goes to the Micro and Small Enterprises Facilitation Council of the state, which can call the parties for conciliation and, if that fails, arbitrate. The buyer is notified, which often prompts payment.
What to Keep Ready
Collect the purchase order, invoices, delivery challans or proof of service, acceptance records, e-way bills where relevant, your Udyam certificate, statements of account, and your log of every call, email and letter with dates. A clear file shortens every stage.
Want to see real match quality?See the sample format for your own GST numbers.
Avoiding the Next Delay
Prevention is easier than recovery. Put payment terms on every quotation and invoice, state that you are a registered micro or small enterprise, and collect the accounts payable contact when you take the first order rather than when the first bill is late. Check a new buyer’s GST status and filing record before extending credit.
Protecting the Relationship
A buyer who pays late is not always a bad customer. Where the relationship matters, give notice before filing, offer a short final period, and agree revised terms in writing for future orders. Where it does not, the formal route protects your cash flow.
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Related guides
Find Contact Number With GST Number to Recover Missing Input Tax Credit: a related guide.
Find GST Owner Phone Number and Get Past the Front Desk: a related guide.
Find GST Company Phone Number for Government Bodies and PSUs: a related guide.
Find Phone Number with GST Number When a Notice Needs a Counterparty: a related guide.
Find GST Taxpayer Mobile Number Only After Checking Activity: a related guide.
Frequently Asked Questions
How do I get contact by GST number for a buyer who has not paid?
Confirm the buyer’s legal name and address from the GST record, then ask your purchase contact for the accounts payable person, and use the buyer’s website or registry details to reach finance if needed.
How long can a buyer take to pay a micro or small supplier?
Up to the agreed period, which cannot exceed forty-five days, or fifteen days if there is no agreement.
What interest applies to late payment?
Compound interest at three times the bank rate notified by the central bank.
Who can file a delayed-payment application?
A supplier registered as a micro or small enterprise under Udyam.
Where does the application go?
To the state’s Micro and Small Enterprises Facilitation Council, which conciliates and can arbitrate.
What should I keep ready?
Orders, invoices, delivery proof, acceptance records, your Udyam certificate and a dated contact log.
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