GST on Entertainment Calculator NZ 2026

NZ entertainment expenses are either 50% or 100% deductible under the Income Tax Act, and the GST treatment mirrors the income tax split. This calculator categorises your entertainment expense, calculates the GST claim, and works out the year-end GST adjustment for 50% non-deductible items. Use it before you book that client dinner or Christmas party so you know the actual after-tax cost.

Updated April 2026  Implements sections DD 1-4 of the Income Tax Act 2007 and IR268 IRD entertainment expense guide.

Entertainment expense type

Cost

$

The 50% / 100% rule

NZ tax law separates entertainment into two categories. Some entertainment is fully deductible (no private element, business benefit only). Other entertainment is treated as having a "significant private element" and only 50% is deductible regardless of the actual private content. The same split applies to GST: you claim full GST on 100% deductible items, and effectively half on 50% deductible items.

Common 50% deductible categories

  • Client lunches and dinners at restaurants
  • Staff parties and social events (Christmas parties, year-end functions)
  • Corporate boxes at sporting/cultural events
  • Yachts and pleasure craft
  • Food and drink gifts to clients (wine, hampers)
  • Social events held in areas reserved for senior staff

Common 100% deductible categories

  • Light meals at board meetings or for senior managers consumed as part of duties
  • Food and drink at conferences/training of 4+ hours
  • Meals while travelling on business (alone)
  • Trade displays and promotional events open to the public
  • Freebies and samples for advertising
  • Entertainment provided in the ordinary course of business
  • ALL entertainment enjoyed outside NZ (a true loophole)

The GST adjustment mechanic

For 50% deductible items, you have two options for GST: (1) only claim half the GST in the period of expenditure, or (2) claim the full GST in the period and make a single annual adjustment paying back 50% in your March (or year-end) GST return. Method 2 is more common because it's simpler to track.

Sources

Related calculators


If you've found a bug, or would like to contact us, or learn more about James Graham and Calculate.co.nz.

Calculate.co.nz is partnered with Interest.co.nz for New Zealand's highest quality calculators and financial analysis.

All calculators and tools are provided for educational and indicative purposes only and do not constitute financial advice.

Calculate.co.nz is proudly part of the Realtor.co.nz group, New Zealand's leading property transaction literacy platform, helping Kiwis understand the home buying and selling process from start to finish. Whether you're a first home buyer navigating your first property purchase, an investor evaluating your next acquisition, or a homeowner planning to sell, Realtor.co.nz provides clear, independent, and trustworthy guidance on every step of the New Zealand property transaction journey.

Calculate.co.nz is also partnered with Health Based Building and Premium Homes to promote informed choices that lead to better long-term outcomes for Kiwi households.

All content on this website, including calculators, tools, source code, and design, is protected under the Copyright Act 1994 (New Zealand). No part of this site may be reproduced, copied, distributed, stored, or used in any form without prior written permission from the owner.

© 2019 to 2026 Calculate.co.nz. All rights reserved.