What You Need to Know About New Zealand Payroll Tax

New Zealand's payroll system revolves around KiwiSaver, the national retirement savings scheme where employer contributions are rising to 3.5% in April 2026 and 4% by 2028. On top of that, you handle PAYE income tax, the ACC earners' levy at 1.75%, and potential student loan deductions, all reported through Inland Revenue's payday filing system within two working days of each pay run. Here is how to manage each obligation without missing a beat.

1. What is payroll tax?

Payroll tax in New Zealand covers the deductions and contributions that employers must manage when paying employees. The main components are:

PAYE (Pay As You Earn): Income tax deducted from employee wages and paid to Inland Revenue
KiwiSaver: A voluntary retirement savings scheme with mandatory employer contributions for enrolled employees. The minimum employer contribution is rising to 3.5% from 1 April 2026
ACC Earners' Levy: A levy deducted from employee wages to fund New Zealand's accident compensation scheme. The rate is 1.75% from 1 April 2026
ESCT (Employer Superannuation Contribution Tax): Tax on employer contributions to KiwiSaver or other superannuation schemes
Student Loan Repayments: Deducted from employee wages if they have a student loan balance

Employers collect and remit these amounts through Inland Revenue's payday filing system.

2. Who does it apply to?

This usually applies to:

All employers in New Zealand, regardless of business size
Employees on salary or wages (full-time, part-time, and casual)
Employers of staff enrolled in KiwiSaver
Employers with staff who have student loan balances
Household employers (employing nannies, caregivers, etc.)

3. Why does it matter?

Understanding payroll tax helps you:

Stay compliant with Inland Revenue and avoid penalties
Avoid late-payment penalties and interest charges
Keep proper records of all employee deductions
File and pay correctly through payday filing
Plan your cash flow better by budgeting for employer contributions

4. How does it work?

Here's the basic process:

Register as an employer with Inland Revenue through myIR
Obtain each employee's IRD number and completed tax code declaration (IR330)
Calculate PAYE, KiwiSaver deductions, ACC earners' levy, and any student loan deductions each pay period
Deduct the employee portions from their wages
Add employer KiwiSaver contributions (minimum 3.5% from 1 April 2026) and calculate ESCT
File employment information with Inland Revenue within 2 working days of each payday (payday filing)
Pay all deductions to Inland Revenue by the 20th of the following month

5. What forms are involved?

Employment Information (Payday Filing) - Filed electronically within 2 working days of each payday, reporting employee wages, PAYE, KiwiSaver, ACC, and other deductions
IR330 (Tax Code Declaration) - Completed by each employee when they start employment, to determine the correct PAYE tax code
IR330C (Tax Rate Notification for Contractors) - Used when engaging contractors who want tax deducted at source
Employment Information Return (IR348) - The paper alternative for employers with PAYE and ESCT under $50,000 per year
ESCT Rate Certificate - Determines the tax rate applied to employer superannuation contributions

6. What information do you need?

Before handling payroll tax, make sure you have:

Inland Revenue employer registration
Employee IRD numbers
Completed IR330 tax code declarations from each employee
KiwiSaver enrolment details (contribution rates for each employee)
Student loan status for each employee
Payroll software that supports payday filing
Access to myIR (Inland Revenue's online services)

7. Important deadlines

Filing frequency: Every payday (file within 2 working days of each payday)
Payment deadline: By the 20th of the month following the paydays. Twice-monthly payers (PAYE over $500,000 per year) pay on the 5th and 20th
Year-end requirements: No separate year-end return is required if you file through payday filing. Inland Revenue uses your payday filings to generate annual summaries
KiwiSaver new employee enrolment: Employees must be enrolled within the first 7 days of starting employment (unless exempt)

8. Common mistakes to avoid

Filing payday information more than 2 working days after the payday
Using incorrect PAYE tax codes (check IR330 forms carefully)
Not enrolling eligible new employees in KiwiSaver within the required timeframe
Forgetting to increase KiwiSaver employer contributions to 3.5% from 1 April 2026
Not deducting student loan repayments when an employee has a loan balance
Paying PAYE late and incurring penalties and interest
Not accounting for ESCT on employer KiwiSaver contributions
Forgetting to adjust the ACC earners' levy rate when it changes

9. Simple example

You employ one staff member with an annual salary of $65,000 ($5,417 per month). They are enrolled in KiwiSaver at the minimum 3% employee contribution rate, and do not have a student loan.

Employee deductions (from their pay):

PAYE (income tax): approximately $870 per month (based on IRD tax tables)
KiwiSaver employee contribution (3%): $163 per month
ACC earners' levy (1.75%): approximately $95 per month

Employer costs (on top of salary):

KiwiSaver employer contribution (3.5% from 1 April 2026): $190 per month
ESCT on employer KiwiSaver contribution: approximately $32 per month (at 17.5% marginal rate)

Total monthly employer cost: $5,417 salary + $190 KiwiSaver + $32 ESCT = $5,639

Total remitted to Inland Revenue monthly: $870 (PAYE) + $163 (employee KiwiSaver) + $95 (ACC levy) + $190 (employer KiwiSaver) + $32 (ESCT) = $1,350

10. FAQ

Q: What is payday filing? A: Payday filing requires you to send employment information to Inland Revenue within 2 working days of every payday. Most payroll software does this automatically when you process a pay run.

Q: What is the KiwiSaver employer contribution rate? A: The minimum employer contribution is increasing from 3% to 3.5% from 1 April 2026, and will rise to 4% from 1 April 2028. Both you and your employee can choose to contribute more than the minimum.

Q: Do I have to enrol all employees in KiwiSaver? A: You must enrol new employees aged 18 to 65 who are not already members and are employed under a contract expected to last more than 28 days. Employees can opt out after enrolment.

Q: What is ESCT? A: Employer Superannuation Contribution Tax (ESCT) is the tax you pay on employer contributions to KiwiSaver or other registered superannuation schemes. The rate depends on the employee's salary and is calculated using their marginal tax rate.

Q: What happens if I pay PAYE late? A: Inland Revenue charges a 1% initial late-payment penalty on the day after the due date, followed by an additional 4% penalty if the amount remains unpaid after 7 days. Interest is also charged on the outstanding balance.

11. Final takeaway

New Zealand payroll involves PAYE income tax, KiwiSaver contributions (employer minimum rising to 3.5% from April 2026), ACC earners' levy, and student loan deductions. File through payday filing within 2 working days of each payday and pay by the 20th of the following month.

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What you need to know about New Zealand payroll tax: PAYE, KiwiSaver (employer minimum 3.5% from April 2026), and ACC levy (1.75%). File with Inland Revenue within 2 working days of each payday.

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