It says “Invalid GST number”
If this happensThe number has a typing mistake. A GSTIN is 15 characters, and its last character is a check worked out from the other fourteen, so one wrong letter or digit is caught. Copy it again carefully from their bill or certificate.
The line under the GSTIN box.
More questions on Customers & Suppliers
- How do I add a new customer or supplier?
- A customer already owed me money before I started. Where do I enter that?
- How do I stop a customer taking too much udhaar?
- How do I see or print what a customer owes?
- How do I send a payment reminder on WhatsApp?
- It says “This GST number is already used by …”
- It says “… is already a party”
- It says “Tick Customer, Supplier, or both”
- Why doesn’t a party come up when I make a bill?
Still stuck? Press Alt + A inside the software and ask in your own words — it
works with no internet. Or talk to us on WhatsApp, phone or e-mail.