Summary
Details
- Australia
Not mandatory unless claiming the offset. Once claimed, the claimant must comply with all eligibility and substantiation requirements.
Practical exclusions:
Expenditure outside registered processing activities.
Minerals not on the specified list.
Costs not meeting “eligible expenditure” definitions.
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What’s Required
Parliamentary and ATO summaries describe the CMPTI as a tax offset equal to 10% of relevant processing and refining costs for a defined list of critical minerals, with eligibility linked to registered processing activities.
Companies should expect to evidence:
Which minerals and which product streams are within scope?
Which facilities and activities are “registered processing activities” and how costs are allocated.
Cost classification controls distinguishing eligible processing/refining costs from non-eligible capex, upstream mining costs, logistics, or corporate overheads.
Transfer pricing and related-party controls to defend cost bases where group structures are complex.
A 10% offset creates incentives to reclassify costs. Companies should implement:
Eligibility checklists embedded in procurement and project accounting.
Documented allocation methodologies for shared utilities, maintenance, and multi-product plants.
Independent internal review and audit trails for cost coding and reporting.
Important Deadlines
Availability window: Parliamentary and ATO materials indicate the CMPTI is available from 1 July 2027 to 30 June 2040, for up to 10 years per project.
Current Status
Government communications indicate the production tax credits passed Parliament, and ATO materials describe the incentives in “new legislation” guidance, signalling active implementation planning.
Penalties for Non-Compliance
Primary enforcement lever is tax integrity: incorrect claims can result in repayments, penalties, interest, and reputational impacts. High-risk areas are cost eligibility, allocation methods, and documentation gaps.
Examples of Known Violations
Common failure modes include:
Inflated eligible expenditure due to weak cost coding discipline.
Unsupported allocations of shared plant costs to eligible activities.
Claiming offsets for periods outside the incentive window.
Poor documentation for related-party charges and service agreements.
Inconsistent definition of “processing” versus mining or downstream manufacturing steps.
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