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Freedom251 › Blog › Australian GST

How to Pay GST Under Reverse Charge on Imported Services: New Zealand, Australia and Singapore

By Freedom251 Team · · 11 min read

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First identify the country whose GST law applies. There is no universal reverse-charge payment or return process. New Zealand, Australia and Singapore use different scope tests, rates, registration rules and return fields; the United Kingdom uses VAT terminology and a separate procedure. The supplier’s country alone does not tell you which checklist to follow.

In every jurisdiction, the basic mechanism is similar: the recipient assesses whether an imported service is taxable, calculates output tax, reports it in the required return and claims input tax only under the ordinary recovery rules. Use the relevant tax authority’s current return and payment instructions before filing; the examples below explain the published rules without replacing country-specific advice.

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Choose the correct jurisdiction before doing any calculation

An imported service can trigger a reverse charge only under the rules of the country where the recipient’s GST or VAT obligations arise. Confirm the recipient’s residence or establishment, registration status, the supplier’s location, the nature of the service and how the service is used. A service that is outside one country’s reverse-charge scope may be taxable in another.

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Jurisdiction Who the published guidance covers Tax rate or base stated in the guidance Return and payment treatment
New Zealand Recipients of certain imported services meeting the stated supply and use conditions. 15% of the price of the services; reverse charge applies where intended or actual taxable use is less than 95% of total use. Include the GST in the return and pay Inland Revenue when the conditions are met. The recipient is treated as the supplier for registration, output-tax and recordkeeping purposes.
Australia GST-registered businesses importing services, digital products or low-value imported goods, and certain non-GST-registered businesses. Rate, tax base and return field are not stated in the cited ATO overview; confirm the particular supply under current ATO instructions. The purchaser decides whether GST is payable and pays GST owing using reverse-charge rules. The cited ATO page was last updated 11 September 2025.
Singapore GST-registered businesses that cannot claim full input tax because they make exempt supplies or receive non-business receipts, subject to exclusions. The cited IRAS material does not state a rate in this summary. A non-registered business should consider the S$1 million annual-value registration threshold for imported services and low-value goods over 12 months. Indicate “Yes” in box 14, report the value in box 14 and include the same value in box 1. Input-tax claims remain subject to normal rules.
United Kingdom (VAT comparison) UK businesses receiving qualifying services from abroad. Calculate VAT on the full value; convert foreign-currency amounts into sterling. Enter output VAT in box 1, eligible input VAT in box 4, and the full supply value in boxes 6 and 7. HMRC’s cited page was last updated 31 December 2020.

The table is a navigation aid, not a combined procedure. Follow only the section for the country that governs your transaction.

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What reverse charge changes for an imported service

Under an ordinary domestic sale, the supplier adds GST or VAT to its invoice and remits that tax. Under a reverse charge, the recipient becomes responsible for self-accounting. The overseas supplier may issue an invoice without local GST, but the recipient still has to decide whether the purchase is taxable and report the resulting output tax.

Output tax is the tax due on the imported service. Input tax is the amount the recipient may deduct or recover under the normal rules. Those two amounts can offset each other where the service is used entirely for taxable business activity and the local law permits full recovery. Exempt use, non-business use, partial exemption or another deduction restriction can leave a net amount payable.

Do not assume that a reverse charge is tax-neutral merely because the supplier did not add tax. First establish the output-tax liability; only then test the input-tax claim.

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Pre-calculation checks

1. Identify the recipient and its registration status

Record the legal entity receiving the service and whether it is GST- or VAT-registered. Registration status is decisive in Singapore and affects how Australia’s guidance applies. A non-registered business may still have an obligation in Australia, while Singapore uses an annual-value test when a business is not registered.

2. Verify the supplier and service

Keep the supplier’s legal name, address, invoice date, description and evidence that the supplier is outside the relevant jurisdiction. Confirm what was purchased. New Zealand’s examples include management, legal and accounting services and products downloaded online. Australia’s overview expressly refers to imported services and digital products, as well as low-value imported goods. Singapore has a reverse-charge scope with specific exclusions, so do not treat every overseas service as covered.

3. Determine use of the service

Document whether the service supports taxable supplies, exempt supplies, non-business activity or a mixture. New Zealand uses a 95% taxable-use test in the stated circumstances. Singapore’s rule is aimed at businesses that cannot claim full input tax because of exempt supplies or non-business receipts. The use analysis affects both liability and the amount of input tax that may be recovered.

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4. Establish the tax point and value

Use the tax point, valuation and currency-conversion rules in the governing authority’s current guidance. The supplied jurisdiction summaries do not establish a single conversion rule for New Zealand, Australia or Singapore. Do not copy the United Kingdom’s sterling instruction into a GST return.

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5. Preserve an audit trail

Link the invoice to the contract or order, payment record, exchange-rate evidence where relevant, use assessment, calculation, return working paper and filed return. Store the documents for the retention period required by the local authority.

New Zealand: 15% reverse charge where taxable use is below 95%

Inland Revenue’s “Special supplies” guidance says GST applies to certain services imported to New Zealand. Its examples include management, legal and accounting services and products downloaded online. The stated reverse-charge condition is important: intended or actual taxable use must be less than 95% of total use, together with the other supply conditions in the guidance.

“The reverse charge requires you to pay GST of 15% based on the price of the services.”

— Inland Revenue New Zealand, “Special supplies” guidance

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The 15% figure and 95% threshold are New Zealand rules, not a general GST standard. The recipient liable under the reverse charge is treated as the supplier for registration, output-tax payment and recordkeeping purposes.

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New Zealand calculation and filing steps

  1. Test the supply. Confirm that the imported service is one to which the New Zealand reverse-charge conditions apply, and measure intended or actual taxable use against total use.
  2. Determine the price base. Use the price of the services as required by Inland Revenue’s guidance. Keep the supplier invoice and the calculation supporting the amount used.
  3. Calculate output GST. Apply 15% to the stated price base. For example, a NZ$1,000 price base produces NZ$150 of output GST before considering any permitted input-tax deduction.
  4. Assess input tax separately. Decide how much, if any, can be claimed under the ordinary New Zealand deduction rules, based on the service’s taxable and non-taxable use.
  5. Enter the amount in the GST return. Include the reverse-charge GST in the return for the applicable period and pay the amount to Inland Revenue under the filing instructions that apply to your filing method.
  6. Retain evidence. Keep the supplier details, invoice, use apportionment, calculation, return and payment confirmation. Because the recipient is treated as supplier for recordkeeping, incomplete records can undermine both the tax calculation and any deduction.

The 15% rate and 95% threshold are described in Inland Revenue guidance current as accessed in 2026. Check the live guidance for any change to the listed supply conditions, return treatment or filing dates.

Australia: purchaser self-assesses imported services and digital products

The Australian Taxation Office (ATO) says a GST-registered Australian business importing services, digital products or low-value imported goods should not be charged GST by the overseas supplier. The business purchaser must decide whether GST is payable and, if it is, pay the GST owing under the reverse-charge rules.

The ATO overview also says an Australian business that is not GST-registered will need to pay GST on purchases of these imported services, digital products and low-value imported goods. That statement is an overview, not a conclusion that every overseas purchase is taxable. Confirm that the particular supply falls within the current rules before calculating anything.

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Australia workflow

  1. Classify the purchase. Separate a service, digital product and low-value imported good, and verify that the supplier is overseas for the relevant transaction.
  2. Check registration and entitlement. Record whether the purchaser is GST-registered and whether it would be entitled to input-tax credits. The ATO’s cited summary does not establish a universal outcome for every purchaser or service.
  3. Check the current ATO rule for the supply. Confirm the applicable tax base, rate, tax point, exclusions and any special treatment. The cited overview does not state a return box or a complete calculation formula.
  4. Calculate and report as instructed. Use the ATO’s current business activity statement and payment instructions rather than copying a New Zealand or Singapore box number.
  5. Reconcile the payment. Match the reverse-charge working paper to the lodged return and retain the invoice, supplier-location evidence, use analysis and payment record.

Do not ask the overseas supplier to add Australian GST simply because the purchase is imported. If GST has already been charged, pause and determine whether it is foreign tax, an incorrect Australian charge or a transaction requiring correction; do not claim an amount automatically.

Singapore: reverse charge for businesses without full input-tax recovery

IRAS states that, from 1 January 2020, GST-registered businesses must account for GST on imported services when they are not entitled to full input-tax credit because they make exempt supplies or receive non-business receipts. Services specifically excluded from the reverse-charge scope are not covered.

A non-GST-registered business that would not have been entitled to full input-tax credit if registered should consider the annual value of imported services and low-value goods when assessing registration liability. IRAS states a threshold of S$1 million over a 12-month period. This is a registration test, not a claim that every business below the threshold owes reverse-charge GST.

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Singapore return procedure

  1. Determine whether the business is in scope. Check registration status, exempt supplies, non-business receipts and the service exclusions in current IRAS guidance.
  2. Measure imported services and relevant low-value goods. For a non-registered business, monitor the 12-month annual value against the stated S$1 million threshold.
  3. Calculate the reverse-charge amount. Use the taxable value and rate required by the current IRAS rules. The summary here does not restate a rate, so obtain the live rate before filing.
  4. Answer box 14. IRAS instructs taxpayers required to use reverse charge to indicate “Yes” in box 14 and state the value of imported services, and where applicable low-value goods, subject to GST.
  5. Report the value in box 1. The same value is included in total standard-rated supplies in box 1. Do not substitute a tax amount where the return asks for the supply value.
  6. Claim input tax only if permitted. Any input-tax claim remains subject to the normal recovery rules and the business’s exempt or non-business use.
  7. Check the supplier-payment condition. IRAS return guidance describes a 12-month supplier-payment condition that can require repayment of claimed input tax or allow an adjustment in specified circumstances. Verify the full conditions and adjustment method in current IRAS guidance before applying them.

File and pay through the IRAS process applicable to the business and return period. Keep the supplier invoice, imported-service classification, value calculation, box 14 and box 1 workings, input-tax analysis and payment evidence.

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United Kingdom comparison: VAT reverse charge, not GST

The United Kingdom example is included only to show why country-specific instructions matter. HM Revenue & Customs (HMRC) describes a reverse charge for qualifying services received from abroad by a UK business. It is VAT, not GST, and its return boxes must not be copied into a GST return.

HMRC says to calculate output VAT on the full value and enter it in box 1. A matching amount may be entered in box 4 only to the extent the business is entitled to reclaim it. Enter the full supply value in boxes 6 and 7, and convert foreign-currency amounts into sterling.

For a fully taxable business, output and input amounts often offset. Partial exemption or another restriction can leave VAT payable. HMRC’s cited page was last updated 31 December 2020, so check current guidance before relying on its box instructions.

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How output tax and input tax interact

Use a two-column working paper: one column for output tax required by the reverse charge and one for input tax that the normal deduction rules allow. Never net the purchase to zero before recording the output amount. A full input-tax claim may reduce the net payment, but it does not remove the reporting obligation.

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  • Fully taxable use: the jurisdiction may allow a matching input-tax claim, subject to its ordinary documentation and timing rules.
  • Mixed use: apportion the input claim under the local method; the non-recoverable part remains a cost or tax payable as applicable.
  • Exempt or non-business use: output tax can remain payable while little or none of the input tax is recoverable.
  • Uncertain classification: stop the filing calculation and obtain a current authority interpretation or professional advice rather than guessing.

Records that make the return defensible

Record Why it matters
Supplier invoice and contract Shows the service description, price, date, supplier identity and contractual recipient.
Supplier-location evidence Supports the conclusion that the supplier is outside the relevant jurisdiction.
Registration evidence Shows the recipient’s GST/VAT status when the rule depends on registration.
Use analysis Documents taxable, exempt and non-business use, including New Zealand’s 95% test where relevant.
Currency conversion support Explains the rate and date used where local rules require conversion; the United Kingdom example specifically requires sterling conversion.
Reverse-charge calculation Separates taxable value, output tax and any input-tax claim.
Filed return and payment confirmation Connects the working paper to the actual boxes, submission and payment.
Supplier-payment evidence May be needed for Singapore’s stated 12-month condition affecting input-tax adjustments.

Common errors and what to do

The supplier charged foreign GST or VAT

Foreign tax on an invoice is not automatically the recipient country’s reverse-charge GST. Identify which country’s tax was charged and whether the supplier should have charged it. Do not claim it in the domestic GST return without a rule that permits the claim.

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The transaction was entered in the wrong return box

Return fields are jurisdiction-specific. Singapore’s instructions use boxes 14 and 1; the United Kingdom uses boxes 1, 4, 6 and 7. Those numbers are not interchangeable, and the New Zealand and Australia summaries here do not establish equivalent box numbers.

The service is used partly outside taxable business activity

Revisit the use assessment before claiming input tax. New Zealand’s reverse-charge trigger specifically references taxable use below 95%; Singapore’s rule focuses on businesses unable to claim full input tax because of exempt or non-business activity.

The business is not registered

Do not assume non-registration ends the analysis. Australia’s ATO overview says certain non-GST-registered businesses need to pay GST on imported services, digital products and low-value imported goods. Singapore requires consideration of the S$1 million 12-month annual-value threshold in the circumstances described by IRAS. Obtain the country’s current registration guidance.

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The currency or tax point is unclear

Do not borrow a conversion date or tax point from another country. The applicable authority’s current instructions govern. Preserve the invoice currency and the evidence for the conversion used.

A practical filing checklist

  1. Write the governing country at the top of the working paper.
  2. Identify the recipient, registration status and supplier location.
  3. Describe the service and check exclusions or special categories.
  4. Measure taxable, exempt and non-business use.
  5. Confirm the local tax point, value and currency rule.
  6. Calculate output tax using the local rate and base.
  7. Assess any input-tax claim under ordinary recovery rules.
  8. Enter the value and tax in the correct return fields for that country.
  9. Submit the return and pay through the authority’s current channel.
  10. Retain the invoice, calculations, use evidence, filed return and payment confirmation.

If the country, service classification or use percentage is uncertain, resolve that issue before filing. A reverse charge is a self-assessment obligation, so an overseas supplier’s invoice alone is not a reliable answer.

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