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Invoicing us

This page explains how suppliers invoice us.

We use purchase orders to approve, manage and make payment for all purchases:

  • over $500 (plus GST)
  • made under a contract or agreement.

Purchase order numbers

If you are asked to supply goods or services over the $500 (plus GST) threshold, please make sure you have an Inland Revenue purchase order number before submitting an invoice. If you have any questions about this, please ask the Inland Revenue contact who requested the goods or services.

Any invoices that are received without a valid purchase order number for a supply over $500 (plus GST) or for a supply made under a contract or agreement will be returned to the supplier for the inclusion of the number.

Purchase order terms & conditions
PDF | 72KB | 2 pages

Tips to make sure your payment isn't delayed

Here are some other things you can do when invoicing us to help make sure payment is released without delay:

  • submit a complete and accurate invoice, ie, one that meets the requirements of the Goods & Services Tax Act 1985. If your business is registered for GST your invoices should include your GST number and state the words "Tax Invoice" as well as comply with all other aspects of the Act
  • as well as the purchase order number, please make sure you include in your invoice the name of the Inland Revenue person who requested the goods and services
  • review the purchase order to ensure it matches the invoice exactly
  • check that all line items on the purchase order and invoice match exactly to what was delivered, including unit of measure, quantity and unit price
  • if there are any discrepancies or changes, contact the Inland Revenue person who requested the goods or services before sending your invoice, so that the purchase order can be corrected. Any inconsistencies between what was delivered, the purchase order, and the invoice could result in delayed payment

Sending us your invoices

We prefer to receive invoices electronically. Please send your invoices to our Accounts Payable team at AP.AR@ird.govt.nz

If you are unable to send your invoice electronically, you can also send it to:

Inland Revenue
Accounts Payable
PO Box 2198
Wellington

Accounts payable queries should be sent to AP.AR@ird.govt.nz.