← Back to the journal

Tax Compliance

GST Registration: When and How to Register Your Business

A complete guide to GST registration requirements, benefits, and the registration process for New Zealand businesses.

David Wilson28 December 20237 min read


# GST Registration: When and How to Register Your Business

Goods and Services Tax (GST) registration is a crucial consideration for New Zealand businesses. Understanding when you need to register and how the process works can save you time, money, and compliance issues.

## When Must You Register for GST?

You must register for GST if:
- Your business has a turnover of more than $60,000 in any 12-month period
- You expect your turnover to exceed $60,000 in the next 12 months
- You're a non-resident making taxable supplies in New Zealand

## Voluntary Registration

You can choose to register for GST even if you're below the threshold if:
- You want to claim GST on business expenses
- Your customers are GST-registered businesses
- You want to appear more established
- You're planning to grow beyond the threshold soon

## Benefits of GST Registration

**Claim GST Credits:**
- Recover GST paid on business purchases
- Reduce overall business costs
- Improve cash flow through GST refunds

**Professional Credibility:**
- Appear more established to customers
- Essential for B2B transactions
- Required for many government contracts

## The Registration Process

**Step 1: Gather Required Information**
- IRD number
- Business details and structure
- Expected turnover figures
- Bank account details

**Step 2: Choose Your GST Method**
- Invoice basis (most common)
- Payments basis (for cash flow benefits)
- Ratio method (for mixed supplies)

**Step 3: Select Taxable Periods**
- Monthly (for large businesses)
- Two-monthly (most common)
- Six-monthly (for small businesses)

**Step 4: Complete Registration**
- Apply online through myIR
- Receive GST number
- Update business systems and invoices

## Ongoing Obligations

Once registered, you must:
- Charge GST on taxable supplies
- File GST returns on time
- Keep detailed records
- Pay GST owing by due dates
- Issue tax invoices for sales over $50

## Common Mistakes to Avoid

- Delaying registration when turnover exceeds threshold
- Not keeping adequate records
- Mixing personal and business expenses
- Failing to charge GST on all taxable supplies
- Missing GST return deadlines

Remember, GST registration is a significant step that affects your business operations and compliance obligations. Consider seeking professional advice to ensure you make the right decisions for your specific situation.
GSTtax registrationcomplianceIRD

No obligation, no jargon

Got a question about your own numbers?

Send us a short note. We'll get back to you within 3 working days.