A business signs up to a payment platform, pays a small fee on every transaction, and treats that fee as GST-exempt — on the basis that it forms part of a financial service. It feels intuitive. The payment is being processed, after all. 

Inland Revenue’s recent interpretation statement, IS 26/02 GST treatment of payment processing services, suggests the position is often more nuanced. In many cases, those fees will instead be subject to GST. 

The issue: close to a payment is not enough

The GST rules distinguish between:

• financial services (exempt), and 
• other supplies (taxable) 

IS 26/02 reinforces a key point that is sometimes blurred in practice: being closely connected to a payment does not, of itself, make a supply a financial service.

The focus is on what is actually supplied, and by whom.

Financial services generally involve transactions concerning money, financial arrangements or financial obligations, including the transfer of funds and settlement functions. In many modern payment arrangements, that function is performed by banks, card issuers, acquirers or other financial institutions, not by the platform, gateway or processor.

What Inland Revenue is signalling

Processing and facilitation will often be taxable

Services that enable or support payments will often be characterised as taxable supplies, including:

• transaction authorisation and routing 
• payment gateway or platform access 
• transmission of payment data 
• merchant connectivity to payment networks 

Even where these services are essential to completing a payment, they will often be treated as processing or facilitation, rather than the supply of a financial service itself, particularly where the supplier does not effect the transfer of funds or assume a financial obligation. 

Aligning the GST treatment to the underlying service is intended to save compliance costs for retailers by allowing them to remain fully taxable for GST purposes, but may have resulted in the boundary between taxable and exempt moving slightly. IS 26/02 steps clearly through the remaining boundary issues and explains how to apply the rules in practice.

Intermediaries are taxed on their own supply

IS 26/02 also addresses a common area of uncertainty — the role of intermediaries.

The GST treatment depends on the nature of the intermediary’s own supply, not the character of the underlying transaction. 

This means that:

• an intermediary does not become a supplier of financial services simply by being part of the payment chain, and 
• the exemption does not apply merely because the underlying transaction is a financial service 

This places greater emphasis on analysing the legal and commercial substance of each arrangement.

Bundled services require careful analysis

Many providers now offer integrated solutions combining payment functionality with:

• software platforms 
• fraud prevention tools 
• reporting and analytics 

IS 26/02 highlights that these arrangements must be assessed to determine whether there is a single composite supply or multiple supplies. Where the dominant element is a taxable processing or platform service, GST is likely to apply to the overall fee.

Why this matters

Assumptions may need revisiting

Some businesses may have historically treated payment-related services as exempt.

The interpretation statement reflects Inland Revenue’s clarified view of how existing law applies and may mean that certain services are more appropriately treated as taxable supplies. 

Pricing and contracts may need to move

Contracts should always clearly address GST treatment.  If GST applies:

• fees may need to be adjusted or grossed up 
• margin impacts may arise where GST cannot be passed on 

This is particularly relevant for transaction-based pricing models.

Systems and compliance impacts

Changes in treatment may require updates to:

• invoicing and GST reporting processes 
• system configuration for bundled or platform services 
• cross-border GST analysis 

For high-volume providers, even small classification changes can have material operational impacts.

Clarifying the boundary in practice

IS 26/02 does not change the legislation, but it does clarify Inland Revenue’s interpretation of how the financial services exemption applies in modern payment environments. The practical takeaway is that the exemption is narrow and applied strictly.

For businesses operating in payment ecosystems, this is a timely prompt to reassess GST positions, particularly where treatment has relied on the assumption that being part of a payment is sufficient to fall within the exemption.