What the department checks
The IRD's Electronic Billing Procedure sets the behaviour of billing software. Invoice numbers must run in order. An issued bill cannot be edited or deleted. A correction is made with a credit note. A later printing must say COPY. Records and audit details must remain available for inspection.
For shops required to connect to the Central Billing Monitoring System, the software must also send the required bill figures to CBMS. Our CBMS guide explains what is sent.
What a shop should ask
- Is the exact software and version listed by the IRD?
- Does the bill show the seller's PAN, buyer details when required, date, number, items, quantity, rate, taxable amount and VAT?
- Can an issued bill be changed or removed? It should not be possible.
- Does a second printing clearly say COPY?
- If CBMS applies to the shop, what happens when the internet is unavailable?
Purja's status, 5 September 2026: Purja is built to the Electronic Billing Procedure and its application for approval is with the department. It is not described as IRD approved until the certificate is issued.
We will replace this status with the certificate and listing details when they are issued.
For the current legal position, check the Inland Revenue Department or your tax office.
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