Disbursement GST Calculator NZ

Quick answer: If you are GST registered, add 15% GST to your fee and to any cost you bought yourself and on-charge, markup included. A disbursement you paid as your client's agent is reimbursed at cost with no GST added. On a $2,000 fee, a $150 on-charged cost and a $350 disbursement, the GST is $322.50 and the invoice total is $2,822.50.

Plenty of invoices carry more than a fee. A designer pays for stock images, a consultant books a venue, a lawyer pays a filing fee, and each of those costs has to be passed to the client. For GST the question is not what the line is called but in what capacity you paid it. Inland Revenue's interpretation statement IS 21/01 draws the line: a cost you paid as the client's agent and are simply reimbursed for is not part of your supply, so no GST is added to it, while a cost you bought yourself and charge on to the client is part of what you supply and carries GST like your fee. This disbursement GST calculator puts both kinds on one invoice. You enter your fee, any disbursement paid as agent, any cost you bought as principal and on-charge, the markup you add to that cost, and whether you are GST registered. It gives the amount GST is charged on, the GST, the disbursement passed through at cost, and the invoice total, so the client is charged the right GST and you return the right GST. Whether a particular cost is a disbursement depends on the facts of your arrangement with the client, and the markup is your own commercial choice.

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$2,822.50
invoice total
On-charged cost billed$150.00
Fee and on-charged cost (excl. GST)$2,150.00
GST$322.50
Disbursement, no GST$350.00

Whether a cost is a disbursement depends on the facts of the arrangement with your client, not on what the invoice calls it. Inland Revenue's interpretation statement IS 21/01 explains how to tell.

How it works

The on-charged cost is billed at what you paid plus your markup. It is added to your fee, and that sum is the amount GST is charged on. If you are registered, GST is 15% of it; if you are not, there is no GST. The disbursement is then added at exactly what you paid on the client's behalf, with no GST, because as their agent you are passing on their cost rather than supplying something of your own. The invoice total is the fee, the on-charged cost, the GST and the disbursement added together.

Worked example

A GST-registered consultant invoices a $2,000 fee. They bought $150 of materials themselves and on-charge them with no markup, and they paid a $350 fee on the client's behalf as the client's agent. GST is charged on $2,150.00, the fee and the materials, which is $322.50. The $350.00 disbursement is added at cost, so the invoice total is $2,822.50. Had the $350 cost been bought as principal instead, it would carry GST as well: the GST would be $375.00 and the invoice $2,875.00, which is $52.50 more.

LineAmount
Fee$2,000.00
Materials bought as principal, on-charged at cost$150.00
Amount GST is charged on$2,150.00
GST at 15%$322.50
Disbursement paid as agent, no GST$350.00
Invoice total$2,822.50

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Data sources: the agent and principal rules on this page are maintained against Inland Revenue's interpretation statement IS 21/01, GST and agency.