Sri Lanka's IRD "Tax Invoice" format and serial (Gazette Extraordinary No. 2481/22, as amended by No. 2500/106) becomes mandatory from 1 Oct 2026. This free tool fills in that exact format — nothing you type here is uploaded anywhere, it all stays in your browser.

Your business (supplier)

Saved in this browser so you only enter it once

Business name

Tax ID (TIN)

Phone (optional)

Address

Entity code (4 characters — the "QQQQ" in your invoice serial)

A 4-character code you choose, unique to your business. Used in every invoice serial below.

Invoice

IRD invoice serial

Not yet issued

Issued automatically the first time you print, or click "Issue serial" yourself. Resets every calendar month.

Invoice date

Date of supply

Payment mode (optional)

Purchaser (customer)

Customer name

Customer TIN (if VAT-registered)

Customer address

Line items

Description	Qty	Unit price	VAT %	Amount

Net	0.00
VAT	0.00
TOTAL (LKR, no cents)	LKR 0

Notes (optional)

Your business name

TAX INVOICE

IRD serial

—

Purchaser:

—

Invoice date: —

Date of supply: —

Description	Qty	Unit price	VAT rate	Amount

Net	0.00
VAT	0.00
TOTAL (LKR)	LKR 0

Rupees: Zero Only

Issued in the IRD Tax Invoice format (Gazette Extraordinary No. 2481/22, as amended by No. 2500/106).