IRD Tax Audit NZ: What to Do If Inland Revenue Audits Your Business

What Is an IRD Tax Audit in New Zealand?

An IRD tax audit NZ is an examination of tax and business records by Inland Revenue. The purpose is to check whether the correct amount of tax has been paid and whether tax obligations have been met.

Depending on the circumstances, Inland Revenue may review:

• Income tax
• GST
• PAYE
• Employer returns
• Business transactions
• Accounting records
• Supporting financial documents

The scope of an audit depends on the circumstances and the issues Inland Revenue needs to examine.

Read the official Inland Revenue audit guidance

What Should I Do If IRD Audits My Business?

If you receive an IRD tax audit NZ notification, don’t ignore it. Start by understanding exactly what Inland Revenue is asking for.

1. Read the audit communication carefully. Identify the reason for the contact and the information requested.
2. Check the audit scope. Determine which tax types, returns and periods are being reviewed.
3. Gather your records. Collect relevant accounting, banking, GST, payroll and tax documents.
4. Review your records. Look for missing information, inconsistencies or transactions that may require explanation.
5. Respond accurately. Provide complete information and respond within the timeframe specified.
6. Get professional advice where necessary. Complex audits can involve significant financial or tax consequences.

Why Would IRD Audit a Business?

There is no single reason why a business may be selected for an IRD tax audit NZ.

Inland Revenue conducts compliance activity to check whether taxpayers have paid the correct amount of tax and complied with their obligations.

The audit may focus on a particular tax return, transaction, GST position, employer obligation or wider business records.

An audit notification should therefore not automatically be interpreted as an accusation of tax evasion or wrongdoing.

What Happens During an IRD Tax Audit?

The process can vary depending on the type and scope of the audit. Inland Revenue may request information and documents relating to your business and tax affairs.

An audit may involve discussions with the business owner, accountant or other relevant people. Inland Revenue may also examine accounting systems, financial records and supporting documents.

The audit may involve questions about:

• How your business operates
• How transactions are recorded
• How GST is calculated
• How PAYE is managed
• How income and expenses are reported
• How tax returns are prepared
• Specific transactions or tax positions

What Records Does IRD Check During an Audit?

Good record keeping is one of the most important parts of preparing for an IRD tax audit NZ.

Depending on the scope of the audit, Inland Revenue may need to examine records such as:

• Sales invoices
• Purchase invoices
• Receipts
• Bank statements
• GST records
• GST returns
• PAYE records
• Payroll information
• Accounting ledgers
• Profit and loss statements
• Balance sheets
• Business contracts
• Asset records
• Expense documentation

Businesses should maintain their tax records for the required period and ensure electronic records remain accessible and readable.

View Inland Revenue’s record-keeping guidance

How Long Do Businesses Need to Keep Tax Records?

Businesses generally need to keep tax records for at least seven tax years. This can include paper and electronic records.

Maintaining organised records can make it easier to respond if your business is selected for an IRD tax audit NZ.

Can IRD Audit a Small Business?

Yes.

Small businesses still have to meet New Zealand tax obligations and can be subject to Inland Revenue compliance activity.

A small business should have reliable processes for:

• GST
• Income tax
• PAYE
• Payroll
• Bank reconciliations
• Business expenses
• Financial reporting
• Record keeping

Does an IRD Audit Mean My Business Has Done Something Wrong?

No.

An IRD tax audit NZ is a review of tax and business records. Receiving an audit notification does not automatically establish that a business has deliberately avoided tax or committed an offence.

The result depends on what Inland Revenue finds during the review. An audit may result in no change, a refund, additional tax or other compliance consequences.

Learn more about Inland Revenue audits

How Should I Prepare for an IRD Tax Audit?

Preparing early can make an IRD tax audit NZ easier to manage.

1. Review the Audit Letter

Understand what Inland Revenue wants to review and which records it has requested.

2. Organise Your Accounting Records

Make sure your accounting reports, invoices, receipts and bank records are easy to locate.

3. Check GST Records

Compare GST returns with your accounting records and supporting documentation.

4. Review PAYE and Payroll Information

If you employ staff, ensure relevant payroll and employer records are available.

5. Review Tax Returns

Check the relevant income tax returns and supporting calculations.

6. Identify Potential Issues

If you identify inconsistencies or errors, consider getting professional advice before responding.

What If I Find a Tax Error During an IRD Audit?

If you discover an error in information previously provided to Inland Revenue, do not ignore it.

Depending on the circumstances, voluntary disclosure may be relevant. The timing and nature of a disclosure can affect the treatment of certain penalties.

This is an area where professional advice can be valuable because the appropriate approach depends on the specific facts.

Read Inland Revenue’s guidance on shortfall penalties

What Happens After an IRD Tax Audit?

The outcome of an IRD tax audit NZ depends on Inland Revenue’s findings.

Possible outcomes can include:

• No adjustment to your tax position
• A tax refund
• Additional tax to pay
• Changes to tax returns
• Penalties or interest where applicable
• Further compliance action

If additional tax is assessed, make sure you understand why the adjustment was made and what options may be available.

Can an Accountant Help With an IRD Tax Audit?

Yes.

An accountant or tax adviser can help a business understand the scope of an IRD tax audit NZ, organise records and prepare information for Inland Revenue.

Professional support may include:

• Reviewing accounting records
• Checking GST information
• Reviewing PAYE records
• Reviewing tax returns
• Identifying missing documentation
• Explaining accounting transactions
• Preparing information requested by Inland Revenue
• Discussing potential tax errors
• Explaining voluntary disclosure options

What If IRD Says I Underpaid Tax?

If an IRD tax audit NZ results in additional tax, first understand exactly what has been reassessed and why.

You should consider:

• Which tax type is affected
• Which tax period is affected
• Why Inland Revenue made the adjustment
• Whether penalties or interest apply
• Whether payment arrangements may be available
• Whether you have grounds to dispute the assessment

Do not ignore an unexpected tax liability. If your business is unable to pay, seek advice about the available options.

What If I Disagree With an IRD Audit Result?

If you disagree with a disputable assessment or decision, a formal dispute process may be available.

The appropriate process depends on the nature of the decision and your circumstances.

Learn about the Inland Revenue disputes process

How Businesses Can Reduce Tax Compliance Risk

While you cannot necessarily prevent an Inland Revenue review, strong tax governance can help your business identify and manage tax risks.

Maintain Accurate Records

Keep complete and organised accounting and tax records.

Reconcile Your Accounts Regularly

Regular reconciliations can help identify discrepancies before they become larger issues.

Review GST and PAYE Processes

Make sure GST and employer obligations are supported by accurate underlying records.

Monitor Tax Obligations

Keep track of filing and payment deadlines and review your tax processes regularly.

Seek Advice Before Major Transactions

Significant transactions, restructures, property decisions and other complex activities can have tax consequences. Professional advice before the transaction can help identify potential issues earlier.

Inland Revenue considers good tax governance fundamental to tax compliance and encourages businesses to have appropriate policies, procedures and controls. :contentReference[oaicite:2]{index=2}

7 Common Mistakes Businesses Make Before an IRD Audit

1. Poor Record Keeping

Missing invoices, receipts or bank records can make an audit more difficult.

2. Mixing Business and Personal Expenses

Poor separation can make it harder to establish whether expenses relate to the business.

3. Incorrect GST Records

GST information should be supported by appropriate documentation.

4. Unreconciled Accounts

Differences between accounting records and bank information should be investigated.

5. Ignoring IRD Correspondence

Failing to respond to Inland Revenue can make a compliance issue harder to resolve.

6. Poor Documentation of Significant Transactions

Businesses should maintain appropriate supporting information for significant transactions.

7. Waiting Too Long to Seek Advice

If an audit is complex, obtaining professional advice early can help you understand the issues and prepare your response.