AASB S2 Transition Plan Template: The Structure...

The transition plan is the section ASIC will read first when they form a view of your strategy disclosure. That's not a guess. RG 280 lists transition plans as a surveillance priority, and the modified liability shield in section 1707D gives this specific disclosure its strongest legal protection. Both signals point the same way.

AASB S2 doesn't prescribe a template. Group 1 reporters defaulted to one of two structures (the UK Transition Plan Taskforce framework or the GFANZ Net Zero Transition Plan framework), and the gap between a defensible plan and a colour-by-numbers one sits in roughly five specific sections.

This post extends the conceptual guide on what AASB S2 actually requires. It's the structure, not the theory. The section-by-section template is below.

What AASB S2 actually says about structure

Paragraph 14(a)(iv) requires disclosure of "any climate-related transition plan the entity has, including information about key assumptions used in developing its transition plan, and dependencies on which the entity's transition plan relies." Paragraph 14(a)(v) requires you to explain how you plan to achieve any climate-related targets. Paragraph 22(a) frames the transition plan as the entity's response to identified climate-related transition risks and opportunities. Paragraph 14(b) requires resourcing disclosure. Paragraph 14(c) requires year-on-year progress reporting.

That's the standard. No section list, no template, no page count. Principles-based by design, which is the reason Group 1 outputs varied wildly in shape.

The two frameworks that have stuck, both referenced by Treasury's August 2025 consultation paper, are the UK TPT Disclosure Framework and the GFANZ Net Zero Transition Plan Framework. Both organise the disclosure into five recognisable pillars. Picking one and citing it explicitly is the easiest way to give an auditor a recognised structure to test against.

The five sections every defensible plan needs

The naming convention below mirrors the UK TPT structure. GFANZ uses slightly different headings but the substance overlaps almost entirely. Pick one convention and use it consistently inside the document.

1. Foundations

This is the framing section. It anchors the plan to a defined ambition, a defined scope, and a defined methodology baseline.

What goes in:

The net zero or interim ambition statement, with target year and target type (gross, net, or both)
Scope of the plan: which legal entities, which assets, which operational boundary (operational control, financial control, or equity share). The boundary selection matters for consolidation and must reconcile to the rest of your disclosure
Baseline year and baseline emissions in tCO2-e, split by Scope 1, 2 and material Scope 3 categories
Methodology references: GHG Protocol, NGA Factors edition, AR5 vs AR6 GWP used, calculation tier per category
Governance ownership of the plan itself (board committee, executive sponsor)

The foundations section is what a Big Four engagement partner will read in the first ten minutes to scope the rest of their work. Vagueness here costs you hours of follow-up questions later.

2. Implementation strategy

This is where most Group 1 plans got marked down. The implementation section needs to describe what the entity is actually going to do, costed, sequenced, and assigned.

What goes in:

Sector-specific actions: fleet electrification, process electrification, energy efficiency, fuel switching, renewable energy procurement, refrigerant phase-down
Capital allocation by initiative and by year, expressed in dollars not adjectives
Funding source: operating cash flow, green debt, capex re-allocation, joint-venture co-investment
Products and services changes: low-carbon product lines, end-of-life redesign, supplier substitution
Policies and conditions: procurement standards, supplier code of conduct, internal carbon price if one applies. If you use one, link it to the internal carbon pricing methodology

The capital allocation sub-section is the single highest-risk gap RG 280 has flagged. A transition plan that talks about pathways and ambitions without disclosing actual planned capital expenditure on transition initiatives is exactly what the regulator is calling out.

3. Engagement strategy

The engagement section addresses the parts of the transition the entity does not control alone. Three audiences sit here.

What goes in:

Value chain engagement: supplier emissions data programs, customer education, joint decarbonisation projects with major counterparties
Industry engagement: sector roadmap participation, technology consortia, standards bodies
Government and public sector engagement: submissions on policy consultation, infrastructure partnerships, grid connection processes
Climate solutions: products, services or investments that enable third-party decarbonisation (where the entity makes a credible avoided-emissions claim, the ACCC's evidentiary bar applies)

A common Year 1 failure here is listing stakeholders without listing actions. "We engage with our top 50 suppliers on Scope 3 data" is not an engagement strategy. "Top 50 suppliers receive a quarterly emissions data request via the supplier portal, with onboarding completed for 32 of 50 by FY26 close" is.

4. Metrics and targets

This section reconciles to the formal metrics and targets disclosure under paragraphs 33-36. It does not replace it. The transition plan version restates the targets in the context of the pathway.

What goes in:

Scope 1 absolute reduction target and trajectory
Scope 2 absolute reduction target (location-based and, if used, market-based)
Material Scope 3 targets by category, with baseline data quality disclosed
Intensity metrics where material to the sector (tCO2-e per tonne produced, per square metre, per revenue dollar)
Transition KPIs that aren't emissions: renewable energy share, EV share of fleet, supplier emissions data coverage, internal carbon price coverage
Carbon credit reliance: quantum, credit category, project type, third-party verification scheme. Paragraph 34 of AASB S2 makes this disclosure mandatory for any net target. The "we may use offsets" answer does not survive RG 280

If the entity has set science-based targets through SBTi or is in the validation pipeline, reference that explicitly with the validation date.

5. Governance

Governance closes the document by demonstrating the plan is wired into how the entity is actually run.

What goes in:

Board oversight: which committee, frequency of review, link to broader risk governance
Management responsibility: which executive owns delivery, which roles own each pillar
Incentives: short-term and long-term incentive linkages to transition milestones, with weightings if disclosed
Skills and capability: climate competency on the board, training programs, capability hires
Culture: communication, change management, performance review integration

Governance is also where assurance practitioners look for evidence the plan is not a bolt-on. A board committee that meets twice a year with no agenda artefacts will not satisfy the reasonable-basis test for the rest of the document.

The capital allocation section is the regulator's priority

If you do nothing else differently in Year 2, fix the capital allocation disclosure. ASIC's surveillance signals through 2025 and early 2026 consistently flagged this as the largest gap in Group 1 outputs.

The minimum disclosure is a table showing planned transition capex by initiative, by financial year, with funding source identified. Worked format with placeholders:

Initiative	FY27	FY28	FY29	FY30	Funding
Fleet electrification, light vehicles	$[X]m	$[X]m	$[X]m	$[X]m	Operating cash flow
Site solar and battery	$[X]m	$[X]m	$[X]m	$[X]m	Green debt facility
Process electrification, [site]	$[X]m	$[X]m	$[X]m	$[X]m	Capex re-allocation
Refrigerant phase-down	$[X]m	$[X]m	$[X]m	$[X]m	Operating cash flow

The capex numbers in this table should reconcile to the operating segment and capital expenditure disclosures in the financial statements. If they don't, an ASSA 5010 practitioner will reconcile them anyway and flag the variance. Reconcile them yourself first.

The carbon credit reliance disclosure

Paragraph 34 of AASB S2 requires entities to disclose the planned use of carbon credits to achieve any net targets. The disclosure has to identify:

The credit category (removals or reductions)
The project type (afforestation, savanna burning, soil carbon, human-induced regeneration, technology-based removal)
The third-party verification scheme (ACCU under the Clean Energy Regulator, Verra VCS, Gold Standard, Puro.earth)
The intended quantum, expressed either as an absolute volume or a percentage of the gross reduction trajectory

"We may use offsets to bridge any residual gap" is not a compliant disclosure. A defensible version reads: "Carbon credits are expected to account for no more than [X]% of the gross reduction trajectory to FY[XX], sourced from ACCUs under [method] and international removals verified under [scheme]. Reliance on credits declines linearly across the trajectory to FY[XX]."

Scenario alignment

The transition plan must be explicitly aligned to at least one scenario from the scenario analysis disclosures. If the entity ran a 1.5°C and a 3°C scenario, the plan should reference which it was designed against and why. The common Year 1 mistake was to publish scenario analysis and transition plan as parallel exercises that didn't reference each other. Under reasonable-basis testing, a plan that doesn't align to a disclosed scenario is hard to defend.

What the modified liability shield actually protects

Section 1707D protects forward-looking statements in the transition plan when made on a reasonable basis. The shield does not protect:

Current-year metrics inside the transition plan. Scope 1 and 2 emissions in the baseline section carry full liability from day one
Statements made knowingly or recklessly
Statements made in marketing material or investor presentations outside the formal disclosure document
Statements made after the shield expires for the entity's reporting period

Drafting tip: separate the forward-looking sections from the current-state sections clearly inside the document. A reader (and a court) should be able to identify which paragraphs sit inside the shield and which don't. The structure above does this naturally. Foundations contains current-state metrics; the other four sections are predominantly forward-looking.

The five patterns ASIC is likely to question

Group 1 outputs surfaced five recurring weaknesses. Drafting Year 2 or a first-year Group 2 plan, these are the test cases to run yourselves before the auditor does.

Net zero by 2050 commitment with no interim target, which fails paragraph 14(a)(v) and the ACCC's reasonable-grounds test
Transition initiatives without quantified capex or timing, which fails paragraph 14(b)
Carbon credit reliance disclosed as "may use offsets" without methodology, which fails paragraph 34
Scope 3 reduction targets without baseline data quality disclosure, which fails paragraph 14(a)(iv) on assumptions
Engagement strategy that lists stakeholders without specific actions, which fails the reasonable-basis test for the disclosed engagement claim

Run a board paper through these five tests before sign-off. The five-question version is faster than the auditor's version and identifies the same gaps.

What ASSA 5010 will examine

The assurance scope under ASSA 5010 treats forward-looking transition plan content under limited assurance in the early phasing years. A limited-assurance practitioner will:

Reconcile transition plan metrics to the metrics and targets disclosure paragraph by paragraph
Test the reasonable-basis assertion for forward-looking statements against board minutes, capex approvals, supplier contracts and signed PPAs
Check capital allocation figures reconcile to the financial statement disclosures and capex schedule
Verify carbon credit methodology references are real schemes and the entity has purchased or contracted the credits

For current-state metrics inside the foundations section, expect reasonable assurance phasing in by Year 4. The same source-document traceability required for the Scope 1 and 2 disclosure applies inside the transition plan baseline.

Transition plan and climate strategy are different documents

Easy confusion that bit several Group 1 reporters: the strategy section under paragraphs 22 and 25 describes risks and opportunities; the transition plan describes the response. They reconcile but serve different reader purposes. Inlining the transition plan inside the strategy narrative makes both harder to assure. The cleaner pattern is two distinct sections inside the climate-related financial disclosure, with cross-references between them.

Year 2 implications for Group 1

Paragraph 14(c) requires quantitative and qualitative information about the progress of plans disclosed in previous periods. For Group 1 entities drafting Year 2, the Year 1 commitments are now testable.

If the Year 1 plan said "we will invest $X in renewable PPAs across FY26-FY28", Year 2 has to report what actually happened in FY26. Plans without follow-through evidence will draw immediate questions and reduce the credibility of the Year 2 forward-looking content. Practical implication: draft Year 1 commitments you can deliver against. Aspiration without delivery in Year 2 is worse than a more modest Year 1 commitment exceeded.

A worked-format example

Below is a placeholder paragraph showing the form of words a combined Foundations and Metrics statement can take. Substitute the entity-specific numbers.

[Reporter] has set an interim Scope 1 and 2 absolute reduction target of [X]% by FY[year] from a FY[baseline year] baseline of [Y] tCO2-e (location-based, AR6 GWP, GHG Protocol Corporate Standard, NGA Factors 2025). The pathway includes [Z] in capital expenditure on [transition initiatives] across FY[XX]-FY[XX], funded through [source]. Carbon credits are expected to account for no more than [X]% of the gross reduction trajectory to FY[year], sourced from ACCUs under [method] verified by the Clean Energy Regulator. Material Scope 3 categories are covered by intensity targets pending baseline data quality improvement, with absolute targets to be set in FY[year] once supplier engagement reaches [coverage]% coverage.

That paragraph addresses paragraphs 14(a)(iv), 14(a)(v), 14(b) and 34, and signals the assumptions the rest of the document develops.

Where the data discipline meets the plan

A transition plan only holds together if the current-state metrics it relies on are defensible. Scope 1, 2 and 3 emissions need source-document traceability, methodology versioning, and period locking that survives an auditor walking a number back to the underlying utility bill or fuel docket.

This is the boring part of transition planning. It is also the part that determines whether the rest of the plan reads as evidence or as marketing. Get the structure right, document the assumptions, reconcile the capex, and the modified liability shield does what it was designed to do. Skip those four steps and the shield will not save the document from the regulator.

If you're drafting your first or second transition plan and want to see how the source-data layer fits underneath it, the team is at hello@carbonly.ai. Demo access is via the waitlist.

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