Thin capitalisation rules (Div 820 ITAA 1997)

Limits debt deductions for thinly-capitalised entities, reformed from 1 July 2023.

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Who must comply

Australian + foreign-owned multinational entities (with $5M+ debt deductions typically).

What triggers it

Debt deductions above de minimis.

When due

Annual; documentation contemporaneous.

Evidence required

Documentation supporting the chosen test; debt ratios; group structure.

Max penalty

Tax shortfall + interest + penalty (typically 25-75%)

Summary

Division 820 limits debt deductions for entities with debt > 60% of value (safe harbour) or arm's-length. Significant reform from 1 July 2023 introduced earnings-based test (similar to BEPS Action 4) for most entities + Group ratio tests.

Enforced by

Source legislation

Topics

taxthin-capitalisation

Source: https://ato.gov.au/businesses-and-organisations/international-tax-for-business/in-detail/thin-capitalisation. Rules Mate is not a law firm. Always verify against the live regulator source before acting.