Diane Gill • May 4, 2025

Provisional and Terminal Tax. What’s the Difference?

At the end of the financial year, we get a lot of questions about tax. 


One of the most confusing tax types for our clients is Terminal Tax and Provisional Tax. It's important to remember these terms both refer to an Income Tax. However, one relates to the previous year and the other relates to the coming year. 


Terminal Tax relates to the previous year. It is the final payment to the Inland Revenue (IRD) at the end of the financial year to ensure you have paid enough tax. It's worked out by comparing your income tax owed for the year with provisional tax already paid. If you have overpaid, you're a due a refund. If you have underpaid, you will need to pay the difference. The difference is called Terminal Tax. If your tax balance date is 31 March, then your terminal tax is due on 7 April. 


Provisional Tax is income tax you pay in advance. Provisional tax is usually paid in installments throughout the year. This is designed to help avoid businesses paying a large lump sum at the end of the tax year. You are required to pay Provisional Tax if your tax payment was more than $5000 at the end of the previous tax year. 


Important dates to remember for Provisional Tax payments:


  • 28 August
  • 15 January
  • 7 May

For businesses that are GST registered and pay provisional tax 6-monthly, the payment dates are twice per year: 28 October and 7 May. 


Making a Payment to the IRD 


The IRD use 33 different account types. Using the correct code ensure you payment goes to the right account. The most common codes are: 


  • DWT: Resident withholding tax payments on dividends. This code is only used by Companies that pay dividends to its shareholders.
  • EMP: Employer Deductions which includes the total deductions made by employers from their employees' wages.
  • FBT: Fringe Benefit Tax. This is used by Companies and is a tax paid for the personal use of business assets.
  • GST: Goods and Services Tax, used by businesses whose turnover is over $60k per annum.
  • INC: Income Tax. Terminal tax and Provisional tax are both Income Tax payments.
  • KSS: KiwiSaver Contributions.  These are the contributions made by employees, self-employed people and contractors to their KiwiSaver Schemes.
  • PIE: Portfolio investment entity payments.
  • REB: Tax credits repayments e.g. donation tax credits.
  • RWT: Resident withholding tax.  The most common place you will see these is the tax that banks deduct from your interest earned.


Need help making sense of your tax obligations? Contact us now - we're here to help!


By Diane Gill March 6, 2025
What are the key aspects you need to know to prepare for the financial year-end on 31 March? The end of the financial year is a good time to review your policies and procedures in preparation for the new tax year.
By Diane Gill March 5, 2025
In 2023 the External Reporting Board (XRB) published updated accounting standards for Tier 3 and 4 registered charities. If your charity’s financial year began on or after 1 April 2024, the Tier 3 (NFP) and Tier 4 (NFP) Standards are now in effect and you should be using or preparing to use these.
Meet Ann. She is a Senior Accountant at Ōmokoroa Accounting.
By Diane Gill September 26, 2024
Meet Ann. She is a Senior Accountant at Ōmokoroa Accounting.
eInvoicing is the electronic exchange of invoice data directly between financial systems.
By Diane Gill September 26, 2024
eInvoicing is the electronic exchange of invoice data directly between financial systems.
Being part of a tax pool provides more flexibility on when you pay provisional tax to Inland Revenue
By Diane Gill September 20, 2024
Being part of a tax pool provides more flexibility on when you pay provisional tax to Inland Revenue, rather than being tied to the IRD’s deadlines. Learn more.
Suzie Monk, Omokoroa Accounting
By Diane Gill August 5, 2024
Meet Suzie. She is the Office Manager at Ōmokoroa Accounting.
Current Economic Climate
By Diane Gill August 2, 2024
In May, we asked you to complete a survey to help us better understand how you feel about your business in the current economy. The survey results shed light on some of the primary concerns facing business owners right now.
July Tax Changes: What you need to know
By Diane Gill August 1, 2024
The 2024 New Zealand Budget focused on tax relief for working families aimed at middle-and-lower income workers and spending cuts. Amid concerns about the cost of living and job security, these measures aim to boost disposable income leading to more consumer spending.
Estate Planning
By Diane Gill August 5, 2024
While contemplating our mortality is never pleasant, it's crucial to address estate planning to ensure our wishes are met and our loved ones are taken care of.
FAQs for Small Business Owners: Insights & Advice
By Diane Gill May 29, 2024
In this article, we answer frequently asked questions from small business owners about tax and accounting online.
Show More