Taxation Administration (Defence Related International Obligations and Other Matters – Indirect Tax Refunds) Determination 2025

The instrument rests on a small set of recurring legal and administrative concepts that determine eligibility and process.

• Indirect tax refund: The instrument repeatedly authorises "a refund of an amount equal to the amount (if any) of indirect tax borne in respect of the acquisition" (see, e.g., ss 6(2), 7(2), 9(2), 12(2), 14(2), 15(2), 16(2)). The term "indirect tax" is defined by reference to subsection 995-1(1) of the Income Tax Assessment Act 1997 via s 4. That cross-reference means the set of taxes eligible for refund is determined by the statutory definition in the ITAA 1997 rather than by the instrument itself.

• Covered acquisition: Each Part identifies the class of acquisitions covered. These range from broad categories such as "vehicles, equipment, weapons, armaments, provisions, or any other goods" for Papua New Guinea (s 6(1)), to specific items such as fuels, oils and lubricants for certain Singaporean uses (s 7(1)), to motor vehicles purchased or leased by US visiting force members (s 9(1)). The object is the intended use at the time of acquisition, which is a recurring eligibility requirement (e.g. intended for official use, intended for use in construction, intended to be incorporated into a facility).

• Intended use at time of acquisition: A central evidentiary threshold is that the acquisition must have been "intended" for a specified official or program use at the time of acquisition (see ss 6(1)(b), 7(1)(b), 8(1)(b), 9(1)(b), 10(1)(b), 12(1)(b), 14(1)(b), 15(1)(b), 16(1)(b)). The instrument does not itself prescribe evidentiary standards for proving intention beyond the requirements (for example, certification or provision of invoices) that are placed on claimants in certain sections.

• Title, ownership and resale conditions: Multiple sections make retention of title or non-resale a condition of refund. For example, PNG refunds are payable only if the State of Papua New Guinea retains ownership unless otherwise approved by the Defence Minister (s 6(3)); US official-use refunds require retention of title in many cases unless approved (s 10(3)); Pine Gap/Harold E Holt refunds require that the property become the property of the US Government before being used (s 12(3)(c)); commissary goods may be refunded only if sold solely to eligible persons and not resold on the local market (s 11(3)).

• Time and origin limitations: The US motor vehicle pathway imposes a manufacture/assembly-in-Australia requirement and a two year ownership/possession or export condition (s 9(3)(a),(b)). The Japan pathway requires that Defence Department would have been entitled to an input tax credit had they made the acquisition under the same circumstances, and requires a tax invoice (s 15(3)(c),(d)). The JSF Program refund only covers acquisitions on or after 1 November 2021 (s 14(1)).

• Administrative recipient and routing: The Commissioner is directed to pay the refunded amount to the Defence Department on behalf of the relevant foreign government, visiting force or member (see the operative line in each part, for example s 7(3)). Several Notes explicitly frame that the refunded amount is either paid by the Defence Department or reimbursed by the Defence Department and that the Defence Department then effects payment to the foreign actor.

• Ministerial discretion: The Defence Minister has express approval powers or exception-making capacity in a number of sections (for instance, s 6(3) "unless otherwise approved by the Defence Minister"; s 10(3) "unless otherwise approved by the Defence Minister"; and s 15(3)(a) "unless otherwise approved by the Defence Minister"). That is, some conditions may be relaxed if the Defence Minister approves.

• Cross-references and incorporated terms: Definitions of key terms are imported from other statutes, especially the ITAA 1997 and the Defence (Visiting Forces) Act 1963 (s 4), meaning the instrument is operationally dependent on statutory definitions external to the instrument itself.

These concepts recur across Parts and together form the legal mechanics by which indirect tax borne on defined defence-related transactions can be refunded, subject to ownership, use, documentation and other conditions determined for each bilateral or program context.

This instrument allocates financial benefit and administrative responsibilities among a narrow set of parties. The primary beneficiaries are specified foreign governments, visiting forces, civilian components of visiting forces, and individual members or dependants where the instrument permits refunds (see, for example, ss 6(1)-(4) (Papua New Guinea), 7(1)-(3) (Singapore), 9(1)-(5) (United States motor vehicles), 11(1)-(4) (commissaries), 14(1)-(3) (JSF Program), 15(1)-(5) (Japan), 16(1)-(2) (Timor-Leste)). Benefits are concentrated: refunds are paid in connection with particular bilateral defence obligations and programs rather than across-the-board.

The Australian Defence Department is the administrative intermediary and recipient of refunds from the Commissioner for distribution or application on behalf of those beneficiaries (repeated requirement that "The Commissioner must pay … to the Defence Department on behalf of …" across the Parts). This makes the Defence Department the operational actor responsible for handling receipts and, where applicable, reimbursing visiting forces or members (see the body notes in several sections).

The Commissioner of Taxation (the Commissioner) is tasked with making the payment to the Defence Department (see the operative text in ss 6(4), 7(3), 9(5), etc.). That places administrative responsibility within the taxation administration for processing eligible refunds under the instrument.

Suppliers and domestic sellers who sell to these visiting forces or Governments are indirectly affected. To trigger a refund, tax invoices are required in some contexts (s 9(3)(d)(ii) for US motor vehicles; s 15(3)(d) for Japan; s 4 imports the tax invoice definition). Suppliers therefore must issue tax invoices for eligible acquisitions, and those invoices will be used in claims processed through Defence and the Commissioner.

Australian taxpayers and the Commonwealth budget are affected in that indirect tax revenue previously collected is the subject of refund if the specified conditions are met. The instrument directs the Commissioner to pay refunds to Defence on behalf of foreign parties (see ss cited above), which means Commonwealth-administered funds or refunds are used to reimburse those taxes. The instrument does not specify appropriation mechanics or amounts; it sets the statutory refund authorization and the payment route.

Other affected private parties include local retailers and vendors where commissary resale restrictions are applied (s 11(3)): refunded purchases for commissaries must only be sold to specific eligible purchasers and not resold on the local market. This creates a restricted supply channel for certain goods sold in commissaries, affecting how those goods can enter or compete in local markets.

Finally, the Defence Minister and the Defence Department exercise decision-making and administrative discretion under the instrument. The Defence Minister has explicit approval or exception powers in multiple provisions (see ss 6(3), 10(3), 15(3)(a)), and the Defence Department must receive, verify and hold tax invoices and certifications required by several sections (for example ss 9(3)(d), 15(3)(d)).

The instrument establishes a discrete set of duties and entitlements distributed among the Commissioner, the Defence Department, the Defence Minister, foreign governments and visiting forces, and suppliers.

Duties of the Commissioner

• Pay the refundable amount to the Defence Department on behalf of the relevant visiting force, government, member or program participant whenever a refund is payable under an applicable section (see ss 6(4), 7(3), 9(5), 10(4), 11(4), 12(4), 13(3), 14(3), 15(5), 16(2)). This is the central payment duty.

Duties of the Defence Department

• Receive refunded amounts from the Commissioner and apply or pass them on on behalf of the visiting force, member or foreign government (Notes across Parts make clear the Defence Department either pays the refunded amount on behalf of the foreign actor or reimburses the foreign actor, see notes to ss 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16).
• The Defence Department must also be the repository for claims and tax invoices where the instrument requires them (for example s 9(3)(d)(ii) requires a claim "is given to the Defence Department with the tax invoice"; s 15(3)(d) requires a tax invoice to be provided to Defence Department).

Defence Minister rights and discretion

• The Defence Minister may approve exceptions to ownership or title retention conditions in multiple cases (for example s 6(3) for PNG ownership; s 10(3) for US official-use property; s 15(3)(a) for Japan title retention). Those approvals can convert otherwise ineligible acquisitions into eligible ones.

Obligations on foreign governments and visiting forces

• Ensure the acquisition falls within the instrument’s covered classes and meets the stated conditions (e.g. intended use, title retention, manufacture origin and time limits).
• Where required, obtain authorisations or certifications: for example, US motor vehicle refund claims must be authorised by or on behalf of the Defence Attaché of the USA (s 9(3)(d)(i)); Pine Gap/Harold E Holt refunds require the US Government to certify the property is for use in construction, maintenance or operation of the facility or station (s 12(3)(b)); Japan-related refunds require that the acquisition would have entitled Defence to an input tax credit had Defence made the acquisition and that the tax invoice be provided (s 15(3)(c),(d)).

Obligations on claimants and suppliers

• Provide tax invoices where required by the instrument (s 9(3)(d)(ii), s 15(3)(d), and the instrument’s s 4 imports the "tax invoice" definition).
• For US motor vehicles, ensure the vehicle is manufactured or assembled in Australia and that ownership and possession conditions and transfer restrictions are satisfied for the relevant period (s 9(3)(a)-(d)). Where a member acquires a second vehicle, military authorities must certify that domestic circumstances required the acquisition (s 9(3)(e)).

Rights of foreign governments and visiting forces

• Entitlement to a refund if they satisfy the instrument’s eligibility conditions (e.g. s 7(2) for Singapore fuel purchases; s 14(2) for JSF Program purchases).
• For Singapore development activities, refunds are limited to indirect tax derived from amounts paid by or on behalf of the Government of Singapore to cover the costs of those development activities; the Defence Department’s note indicates refunded amounts are applied to the initiative’s special account (s 8(3) and associated Note).

Resale and distribution restrictions

• For US commissaries, refunds are conditional on commissary goods being sold only to eligible categories of buyers and not being resold on the local market (s 11(3)). That creates a duty on commissary operators to restrict sales and monitor resale.

Interplay with other statutory entitlements

• The Japan provision conditions refunds on whether Defence Department would have been entitled to an input tax credit had Defence itself made the acquisition (s 15(3)(c)). That creates an indirect substantive test linked to GST input tax credit rules external to this instrument.

These duties and rights create a compliance architecture in which eligible foreign actors and members may receive refunds, but only after satisfying documentary, ownership and use conditions and, where applicable, obtaining certifications or approvals. The Commissioner’s payment duty is operationally routed through the Defence Department, and the Defence Minister retains exception-making capacity for key title and ownership conditions.

The instrument itself is a determination under the Taxation Administration Act 1953 that prescribes eligibility and payment rules; it does not introduce standalone criminal penalties or administrative fines within its text. The operative enforcement mechanisms established by the instrument are procedural and conditional rather than punitive. Enforcement operates through eligibility checks and conditional payments.

Conditional payments as enforcement

• Refunds are only payable where specified conditions are met. Examples include ownership retention (s 6(3)), manufacture or assembly origin and two year retention/export requirements for US motor vehicles (s 9(3)(a)-(b)), non-resale restrictions for commissary goods (s 11(3)), and certification requirements for Pine Gap and Harold E Holt acquisitions (s 12(3)(b)). The Commissioner’s duty to pay is therefore contingent on compliance with these conditions, and non-compliance prevents payment.

Documentation and authorisation requirements

• The instrument imposes documentation gates that function as administrative controls. Claims for US motor vehicle refunds must be authorised by or on behalf of the US Defence Attaché and given to the Defence Department with the tax invoice (s 9(3)(d)). Japan refunds require that a tax invoice be provided to the Defence Department (s 15(3)(d)). For Singapore development activities, refunds are limited to amounts paid by or on behalf of the Government of Singapore towards development costs and are to be applied to a special account (s 8(3) and Note). These documentation requirements provide enforcement points where claims can be accepted or rejected.

Ministerial approval as discretionary control

• The Defence Minister’s approval power (for example ss 6(3), 10(3), 15(3)(a)) functions as an enforcement or corrective mechanism: the Minister can withhold or grant exceptions to title or ownership requirements based on discretionary assessment. That channel can be used to control or condition refunds in circumstances that the instrument’s standard rules would otherwise exclude.

Interaction with broader tax compliance regimes

• Although this instrument does not itself create penalty provisions, refunds processed by the Commissioner remain within the broader tax administration framework. The Commissioner’s existing audit, record-keeping and compliance powers under the Taxation Administration Act and GST law would apply to ensure that claims are not fraudulent or otherwise improper. The instrument does not restate or modify those general powers, but the Commissioner’s payment obligation is exercised in the context of those broader powers.

No express statutory penalties in the instrument

• The instrument contains no express power to levy civil penalties or criminal sanctions specific to non-compliance with these provisions. It does not, for example, create offences for false certification within the text provided. Any enforcement outside of refusing or recovering incorrect refunds would therefore proceed under the general enforcement and offence provisions of taxation law and any relevant criminal statutes, not under this determination itself.

Recovery risk and administrative remedies

• The instrument requires payment to the Defence Department on behalf of the foreign actors, and notes indicate the Defence Department either pays or reimburses the visiting force or member. If funds have been wrongly paid, the instrument does not specify recovery mechanics against the foreign actor; any recovery would rely on general Commonwealth debt-recovery practices, contractual terms between Australia and the foreign government, or the Commissioner’s general powers.

In short, enforcement under this determination is effected primarily by conditioning payments on documentary and factual prerequisites, allowing the Commissioner and the Defence Department to prevent payment where those prerequisites are not met, while any penalties or criminal enforcement would be governed by the existing, external taxation law framework rather than by provisions added to this instrument.

This instrument is tightly interwoven with other Commonwealth statutes and international instruments, and several of its operative terms and eligibility tests expressly depend on external legal sources.

Incorporation by reference to taxation and defence statutes

• Section 4 states that expressions used in Schedule 1 to the Taxation Administration Act 1953 have the same meaning as in the Income Tax Assessment Act 1997 (see note to s 4). It also states that a number of expressions are defined in subsection 995-1(1) of the Income Tax Assessment Act 1997 (for example, "Defence Minister", "indirect tax", "tax invoice", "visiting force", "Commissioner"). Therefore the scope of "indirect tax" and the formal requirements for a "tax invoice" are determined by the ITAA 1997 definitions and provisions, not by this instrument.

• The definitions "member of a visiting force" and "member of a civilian component of a visiting force" are taken from the Defence (Visiting Forces) Act 1963 (see s 4), so the instrument’s class of eligible persons follows the statutory definitions and exclusions in that Act. Section 15(4) explicitly excludes certain persons under the Defence (Visiting Forces) Act 1963 from the Japan “civilian component” scope.

Interplay with international agreements and bilateral instruments

• The instrument’s substantive coverage for activities is tied to specific bilateral or multilateral defence agreements. Examples include the Australia Singapore Military Training Initiative (defined in s 4 and applied in s 8), the JSF Program (s 14), the Japan RAA (s 15), and the AUS-TLS DCA (Timor-Leste, s 16). Eligibility for Part 6 is also subject to the timing of the AUS-TLS DCA entering into force (s 2(2)). These references bind the instrument to the content, timing and scope of international agreements and therefore make the determination contingent on treaty-level commitments.

Reference to prior determinations

• The instrument references earlier determinations as precedent and as part of eligibility calculations, for example s 9(4)(b)(ii)-(iii) references the 2018 Determination and the 2005 Determination. That indicates this instrument is part of a sequence of administrative determinations dealing with defence-related indirect tax refunds, and it may replace or follow prior practice.

Dependency on GST/input tax credit rules

• Section 15(3)(c) conditions Japan-related refunds on whether the Defence Department would have been entitled to an input tax credit had they made the acquisition under the same circumstances. That ties the availability of refunds to the substantive GST input tax credit rules in the A New Tax System (Goods and Services Tax) Act 1999 and related interpretation under the ITAA 1997, effectively importing GST entitlement tests into the refund eligibility assessment.

Interaction with customs and import rules

• The US motor vehicle provision references the Customs Tariff Act 1995 for an exemption condition: a member’s prior imported motor vehicle that attracted no duty under the Customs Tariff Act 1995 may qualify as the "first motor vehicle" for purposes of the second motor vehicle test (s 9(4)(b)). Hence customs duties and import statuses can affect refund eligibility under this instrument.

Administrative law and ministerial discretion

• The Defence Minister’s approval power in several sections implies interaction with administrative law principles. While the instrument does not set out decision-making processes, ministerial approvals will be exercised within the wider administrative and judicial review framework that governs executive acts.

In sum, this Determination operates as an implementing instrument that relies on definitions, entitlement rules and certification mechanisms from taxation law, customs law, Defence (Visiting Forces) Act provisions and specific international agreements. Practitioners must therefore read its conditions alongside the ITAA 1997, the A New Tax System (Goods and Services Tax) Act 1999, the Defence (Visiting Forces) Act 1963, the Customs Tariff Act 1995 where relevant, and the bilateral agreements referenced in the Definitions (s 4) to understand fully how eligibility will be assessed and administered.

This instrument contains an explicit amendment record limited to a single insertion and a registration note. Schedule 1 to the instrument makes one amendment: it inserts "Part 6-Timor Leste" and section 16 "Acquisitions and payment of refund - activities under the AUS-TLS DCA" into the Determination (Schedule 1, item 1). That insertion is the textual mechanism by which the Timor-Leste pathway is added to the Determination.

Commencement sequencing

• Section 2 establishes the commencement schedule for the instrument as originally registered. Parts 1 to 5 commence the day after registration; Part 6 commences at the later of the day after registration and the day of entry into force of the AUS-TLS DCA (s 2(1) and (2)). The instrument includes the usual legislative drafting note that the commencement table relates only to the instrument as originally made and will not be amended in the instrument to reflect later changes.

References to predecessor instruments

• Section 9(4)(b) mentions two prior determinations explicitly: the Taxation Administration (Defence Related International Obligations,Indirect Tax Refunds) Determination 2018 and the 2005 Determination. That cross-reference within s 9(4)(b)(ii)-(iii) establishes continuity with earlier administrative instruments and indicates that some existing eligibility pathways under prior determinations are carried forward or referenced for transitional or definitional purposes (for example, the treatment of a "first motor vehicle").

Editorial and registration note

• At the end of the instrument there is a Note that "The name of this instrument was amended on registration as the instrument as lodged did not have a unique name (see subsection 10(2), Legislation Rule 2016)." This records a non-substantive correction to the instrument’s title made at registration.

No further amendments, repeal or savings provisions are contained in the instrument as supplied. The instrument does not itself contain a savings clause preserving prior entitlements beyond the references to prior Determinations in s 9(4)(b). Practitioners should thus regard this Determination as a contemporary instrument that amends the body of administrative determinations by inserting Part 6 and by operating as the applicable determination for the covered matters as from the commencement dates set out in s 2.

For historical comparison or confirmation of transitional treatment, users must consult the earlier Determinations referenced in s 9(4)(b) and the legislative instruments registry to trace any prior or superseded administrative determinations dealing with defence related indirect tax refunds.

The instrument itself contains no litigation history, case citations, or references to judicial decisions. There are no cases named in the instrument text. The Determination is an administrative instrument that implements refund arrangements; it does not narrate or summarise judicial interpretation. Where the instrument references prior determinations (notably the 2018 and 2005 Determinations in s 9(4)(b)(ii)-(iii)), it does so as part of eligibility conditions rather than as an account of litigation.

Implications for research into litigation

• Because the instrument imports definitions and substantive tests from the Income Tax Assessment Act 1997, the A New Tax System (Goods and Services Tax) Act 1999, the Defence (Visiting Forces) Act 1963 and the Customs Tariff Act 1995, litigation concerning the meaning of "indirect tax", "tax invoice", input tax credits, GST entitlement, customs duty exemptions and the status of visiting forces under the Defence (Visiting Forces) Act will be relevant to contested applications of this Determination. However, the instrument does not identify any specific judicial determinations or prior administrative appeals that have interpreted its provisions.

• Practitioners seeking litigation history relevant to disputes arising from applications of this Determination must therefore consult case law that addresses the external statutory issues the Determination imports (for example, judicial treatment of GST input tax credit entitlement, or the requirements for a tax invoice under GST law), and search for any administrative appeals or judicial review applications that may arise after the Determination’s registration. None are recorded in the instrument.

Historical instruments as contextual background

• The instrument’s reference to earlier administrative instruments (2005 and 2018 Determinations) suggests a recurring administrative practice and potential administrative law challenges in the past, but the instrument does not report outcomes or litigation connected to those determinations. Any litigation history related to prior determinations would have to be sourced separately from court and AAT databases or from historical registers of administrative determinations.

In short, the Determination does not itself document litigation. For litigation-relevant precedent, focus on the external statutes it relies upon and on any subsequent case law or administrative decisions that interpret the present Determination after its operation.

Practical traps and procedural conditions are embedded in the instrument; practitioners should note these specific points to avoid unsuccessful claims or operational error.

Ownership and title conditions

• Several provisions make refunds contingent on the foreign government or visiting force retaining ownership or title, or on title transferring prior to use. Examples: PNG refunds are payable only if Papua New Guinea retains ownership unless the Defence Minister approves otherwise (s 6(3)); US official-use refunds for equipment require that, unless otherwise approved by the Defence Minister, the United States retains title (s 10(3)); Pine Gap/Harold E Holt refunds require the property to have become the property of the US Government before being used (s 12(3)(c)). Failure to establish title retention at the relevant time will preclude payment.

Time-limited possession and origin requirement for US motor vehicles

• A US visiting force member’s motor vehicle refund requires that the vehicle be manufactured or assembled in Australia (s 9(3)(a)), and that it remain in ownership and possession and be used by the acquiring member for a period of two years after acquisition, or be exported within that two year period (s 9(3)(b)). Claims that do not meet these origin and time requirements are ineligible.

Second vehicle certification trap

• If a member acquires a second motor vehicle, the military authorities must certify that domestic circumstances required the second acquisition (s 9(3)(e)). Absent that certification, refunds for a second vehicle will be disallowed. Also note the "first motor vehicle" carve-out in s 9(4) where prior treatment (pre-1 July 2000 no sales tax paid or prior refund under listed Determinations) affects eligibility.

Authorisation and invoice formalities

• US vehicle claims must be authorised by or on behalf of the US Defence Attaché and lodged with the Defence Department together with the tax invoice (s 9(3)(d)(i)-(ii)). Japan-related refunds require that Defence Department would have been entitled to the input tax credit and that a tax invoice be provided (s 15(3)(c),(d)). Missing or defective tax invoices will block a claim; the instrument imports the formal tax invoice concept from the ITAA 1997 (s 4).

Commissary resale restrictions

• Commissary refunds for US goods are conditional on the goods being sold only to eligible categories and not being resold on the local market (s 11(3)). Commissary operators and suppliers must therefore ensure systems to enforce eligibility at point of sale and to prevent leakage into the domestic retail market, or else refunds will be jeopardised.

Singapore development activity funding limitation

• For the Australia Singapore Military Training Initiative, refunds are only payable for indirect tax derived from amounts paid by or on behalf of the Government of Singapore to cover the costs of development activities (s 8(3)). The Note to s 8 indicates refunded amounts will be applied to the initiative’s special account. That means private third-party development funding or commercially financed elements may not produce refund entitlement unless they are covered by payments from the Government of Singapore.

Dependence on external instrument timing

• Part 6 (Timor-Leste) only commences at the later of registration and the AUS-TLS DCA entering into force (s 2(1)-(2)). If the AUS-TLS DCA has not entered into force, Timor-Leste refunds will not be available even after registration. This sequencing trap can produce uncertainty for transactions that occur before entry into force.

Ministerial approval is discretionary and not automatic

• Several exceptions can be made only "unless otherwise approved by the Defence Minister" (ss 6(3), 10(3), 15(3)(a)). The instrument does not set objective criteria for those approvals, so practitioners should not assume approval will be given; where approval is necessary to meet a condition, plan for the timing and documentation of any request to the Defence Minister.

Imported statutory definitions and exclusions

• The instrument relies on statutory definitions from the ITAA 1997 and the Defence (Visiting Forces) Act 1963 (s 4). For Japan, s 15(4) explicitly excludes certain categories from the "civilian component" definition by reference to sections of the Defence (Visiting Forces) Act 1963. Practitioners must check those external definitions to determine whether a person is in scope.

Record-keeping and evidentiary burden

• The instrument’s conditions require documentary evidence such as tax invoices and certifications (see ss 9(3)(d), 12(3)(b), 15(3)(d)). Claims lacking appropriate records will be denied. Because the Commissioner pays to the Defence Department rather than directly to the supplier or foreign government, there is an administrative chain that requires precise documentary presentation to Defence to trigger the Commissioner’s payment obligation.

No express recovery mechanism in the instrument

• The Determination does not set out how incorrectly paid refunds must be recovered, nor does it detail penalties for false claims. Recovery or sanction would therefore be governed by general taxation law and Commonwealth debt procedures rather than by explicit provisions in this instrument.

These "gotchas" are concrete operational and legal conditions in the text that will defeat claims unless anticipated and managed, and practitioners should build compliance and document-control processes around the specific statutory conditions cited above.

Meeting the instrument’s eligibility and documentary requirements will be a combination of pre-transaction planning, contemporaneous record keeping at the point of sale or acquisition, and post-acquisition certification where required. Practical compliance steps, mapped to relevant sections, follow.

1. Identify whether the acquisition falls within a covered category and Part

• Confirm that the acquisition matches the itemised classes in the relevant Part: PNG goods (s 6(1)), Singapore fuels/oils/lubricants (s 7(1)), Singapore development activities (s 8(1)), US motor vehicles or official-use equipment (ss 9(1), 10(1)), commissary goods (s 11(1)), Pine Gap/Harold E Holt related property (s 12(1)), JSF Program items (s 14(1)), Japan RAA activities (s 15(1)), or AUS-TLS DCA activities for Timor-Leste (s 16(1)). Confirm the timing conditions where specified (for JSF: on or after 1 November 2021, s 14(1); for Singapore development: on or after 13 October 2016, s 8(1)).

2. Ensure documentary prerequisites are in place at acquisition

• Obtain and retain a compliant tax invoice for the transaction. The instrument imports the tax invoice concept through s 4 and requires a tax invoice for specific Parts (for example s 9(3)(d)(ii) and s 15(3)(d)). Suppliers should issue tax invoices that satisfy the statutory GST/tax invoice rules under the ITAA 1997 and the GST Act to avoid rejection.

3. Satisfy ownership, title and resale conditions

• Where refunds require retention of title or ownership, ensure that the contract and transfer documents demonstrate that the relevant foreign government or visiting force retains title (for PNG s 6(3); for US official-use s 10(3); for Japan s 15(3)(a)). For Pine Gap/Harold E Holt items, ensure certification that the property became the property of the US Government before use (s 12(3)(c)).

4. Meet origin and time conditions for vehicles

• For US motor vehicle claims, verify the vehicle was manufactured or assembled in Australia (s 9(3)(a)) and that the member will retain ownership and possession for two years or export the vehicle within that two year period (s 9(3)(b)). If a second vehicle is acquired, obtain the military authorities’ certification of necessity for domestic circumstances (s 9(3)(e)). Retain evidence of export where relevant.

5. Secure required authorisations and certifications

• US motor vehicle claims must be authorised by, or on behalf of, the US Defence Attaché (s 9(3)(d)(i)). For Pine Gap/Harold E Holt claims, obtain the US Government certification of intended use (s 12(3)(b)). Keep copies of such authorisations with the claim file submitted to the Defence Department.

6. Route claims correctly and observe claim recipient requirements

• Provide the authorised claim together with the tax invoice to the Defence Department where the instrument requires it (for instance s 9(3)(d)(ii)). The Commissioner is mandated to pay the refunded amount to the Defence Department on behalf of the relevant party (e.g. s 7(3), s 10(4)); therefore Defence must be the recipient of the claim documentation to trigger the Commissioner’s payment duty.

7. For Singapore development activity refunds, ensure government funding nexus

• Refunds under s 8(3) are payable only for indirect tax derived from amounts paid by or on behalf of the Government of Singapore to cover development costs. Maintain accounting showing payments by or on behalf of the Government of Singapore and ensure any refunded amounts will be credited to the initiative’s special account per the Note to s 8.

8. For Japan-related refunds, establish input tax equivalence

• s 15(3)(c) requires that Defence would have been entitled to an input tax credit had Defence itself made the acquisition under the same circumstances. Practically, that requires confirming the acquisition would have qualified as creditable acquisition under the GST Act and retaining documentary and legal reasoning to demonstrate that equivalence.

9. Commissary sales systems and resale controls

• For commissary refunds (s 11), implement point-of-sale checks and record systems that ensure goods are sold only to eligible purchasers and that resale into the local market is prevented. Retain transactional records linking each sale to an eligible purchaser.

10. Seek Defence Minister approval where necessary and document requests

• When an acquisition would otherwise fail a condition that can be waived "unless otherwise approved by the Defence Minister" (for example s 6(3), s 10(3), s 15(3)(a)), seek formal approval from the Defence Minister in advance where possible and retain the approval instrument and accompanying reasoning.

11. Maintain robust recordkeeping and audit trails

• Retain tax invoices, authorisation letters, title transfer and retention documents, export records, certification by military authorities, and any Defence Minister approvals in a single claims file. Given the Commissioner’s payment duty is triggered by Defence receipt of the claim package, having complete files at the Defence Department will expedite processing.

12. Be mindful of commencement and treaty entry timing

• For Timor-Leste, ensure transactions are timed relative to the AUS-TLS DCA entry into force because Part 6 does not commence until that date (s 2(2)). Confirm the effective dates for the relevant bilateral instruments referenced in definitions to determine whether acquisitions fall within the instrument’s temporal coverage.

13. Liaise between supplier, Defence Department and Commissioner

• Suppliers should continue to charge indirect tax where required, issue correct tax invoices, and liaise with Defence and the foreign government visiting force to ensure claims are properly authorised and submitted to Defence for the Commissioner’s payment.

14. Legal and tax advice for complex or high-value transactions

• For high-value or complex acquisitions, obtain specific advice on whether Defence would have been entitled to input tax credits, the correct GST treatment, and how customs or import duties interact with the eligibility conditions (for example s 9(4)(b) referencing the Customs Tariff Act 1995). Document the legal reasoning to support the Defence Department’s claim package.

Following these steps, and aligning documentary practice with the instrument’s explicit conditions (cited in the relevant sections), will put claimants in a position to secure the Commissioner’s payment to Defence and the resulting reimbursement or application on behalf of the foreign government, visiting force, or member.