Indian businesses can add Udyam, LUT, and IEC details using dedicated fields in Refrens.

Let's see how.

How to Add Them

While creating or editing a document**,** go to Billed By/Billed To → Edit → Tax Information → click Add Additional IDs → select the required ID type:

Key Things to Note

• Udyam Number: Add it for your own business as well as for clients and vendors.
• LUT and IEC: Add these details for your own business.
• Invoice visibility: You can choose whether these IDs should be shown on invoices using "Show on Invoice" checkbox.
• Field validation: Refrens validates the format of each ID to help prevent incorrect entries.
• Optional: Udyam, LUT, and IEC are all optional to add.

That's it!

Updated on: 23/07/2026