How to Claim GST in New Zealand (2026 Guide): What You Can and Cannot Claim

Claiming GST correctly can improve business cash flow and reduce reporting mistakes. Many businesses understand collecting GST but do not fully understand how GST paid on expenses can potentially be recovered.

Whether you are a sole trader, startup founder, contractor, freelancer, or established company, understanding GST claiming rules helps improve financial visibility and support compliance.

What Does Claim GST NZ Mean?

Yes. If you are GST registered and purchases relate to taxable business activities, GST paid on eligible expenses may generally be claimable.

GST collected from customers is compared against GST paid on business purchases when filing your return.

What Expenses Can You Claim GST NZ On?

Claiming GST means recovering the GST component included in purchases used for business operations.

Example:

• Laptop Cost: NZ$1,150
• GST Included: NZ$150
• Potential Claim: NZ$150

Official Reference: IRD GST Claiming Guidance

Who Can Claim GST?

Businesses may generally qualify where applicable requirements are met.

You May Usually Claim GST If:

• You are GST registered
• The purchase supports taxable activity
• Records are retained
• The expense is business-related

You Usually Cannot Claim If:

• You are not GST registered
• The expense is personal
• Documentation is missing
• The purchase supports exempt supplies

What Expenses Can Businesses Commonly Claim?

Business Equipment

• Laptops
• Computers
• Office furniture
• Technology purchases

Office Expenses

• Phone
• Internet
• Subscriptions
• Cloud services

Professional Services

• Accounting
• Consulting
• Business support

Vehicle and Fuel Expenses for Claim GST NZ

Business-use portions may generally qualify.

Marketing and Advertising

• Website expenses
• Advertising campaigns
• Branding work

Mixed-Use Expenses Explained

Some purchases support both business and personal activities.

Only business-use portions may generally qualify.

Example

Phone Bill: NZ$115 GST Included: NZ$15 Business Usage: 60%

Estimated GST Claim: NZ$9

How to Claim GST Using myIR

Step 1: Log Into myIR

Open your GST account.

Step 2: Start Your GST Return

Enter:

• Sales
• GST collected
• Expenses
• GST paid

Step 3: Review Figures

Check calculations carefully.

Step 4: Submit Return

Maintain supporting records.

How GST Refunds Work

If GST paid exceeds GST collected, businesses may become eligible for refunds.

Processing times can vary depending on:

• Return accuracy
• Verification checks
• Business history
• Processing workload

Common GST Claim Mistakes

• Claiming private expenses
• Missing receipts
• Claiming full mixed-use expenses
• Late filing
• Incorrect allocations

Expert GST Compliance Tips

• Separate business accounts
• Store invoices digitally
• Review GST monthly
• Track business usage
• Use accurate bookkeeping

Related Reading

• IRD Call Back NZ
• IRD Guru

Claim GST NZ Frequently Asked Questions

Can I claim GST without registration?

Generally no.

Can sole traders claim GST?

Yes where requirements are met.

Can I claim GST on fuel?

Business-use portions may qualify.

Can I claim GST on home office expenses?

Potentially depending on business usage.

How long do refunds take?

Timing depends on return details and verification.

Final Thoughts

Claiming GST correctly can improve cash flow and reduce avoidable reporting issues. Understanding eligibility, maintaining documentation and filing accurately through myIR can simplify GST management and support long-term business compliance.