Tax Planning
Smart Tax Planning for Australia's New Multinational Tax Integrity Measures
Discover how recent changes in Australia’s multinational tax integrity laws affect tax planning strategies for businesses operating across borders.
By NomadicTax Research Team • 5-8 min read • November 23, 2025
## Overview of the Multinational Tax Integrity Package
Australia has introduced a **Multinational Tax Integrity Package** that tightens transparency and integrity requirements for cross-border business activities. Key measures include:
- Removing deductions for interest charged by the ATO from 1 July 2025. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
- Extending the period for the ATO to retain Business Activity Statement (BAS) refunds from 14 to 30 days. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
- Granting discretion to the Commissioner not to apply refunds or credits to debts on hold. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
These changes aim to counter tax avoidance, protect revenue, and ensure obligations are met by multinational enterprises. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
## Tax Planning Implications
**1. Assess financing structures:**
Since deductions for interest on ATO charges will be disallowed from mid-2025, businesses must review their debt arrangements and assess how these changes affect net interest costs. Shifting to equity financing may become more attractive. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
**2. Cashflow planning for refunds:**
With the BAS refund retention period extended, firms should forecast delays and manage liquidity accordingly. Optimise cash reserves or financing for the period between filing and receipt of refunds. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
**3. Debt management strategies:**
The Commissioner’s new discretion over refunds/credits suggests that outstanding debts can block refunds. Prioritise clearing debts or negotiating payment arrangements to avoid blockages. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
**4. Transfer pricing and royalty payments:**
The package also introduces new penalty rules around royalty withholding and withdrawal of intangibles. Review royalty agreements and ensure withholding obligations are met to avoid penalties. ([ato.gov.au](https://www.ato.gov.au/about-ato/new-legislation/in-detail/businesses/multinational-tax-integrity-package-improved-tax-transparency?utm_source=openai))
## Example Scenario
Imagine a tech company headquartered in Australia that pays royalties to an overseas affiliate. Under the new rules, **if the company mischaracterises or undervalues these payments**, they may be penalised. At the same time, interest costs related to overdue ATO charges can no longer be deducted if they occur after 1 July 2025. The company should thus:
- Ensure royalty payments are at arm’s length and documented.
- Review any ATO interest on late payments and restructure obligations.
- Anticipate delays in BAS refunds while managing short-term working capital.
## Actionable Steps for Businesses
- Conduct a **tax integrity audit** covering cross-border contracts, royalty arrangements, and interest expense deductibility.
- Align internal accounting of withholding tax and royalty agreements with ATO guidance.
- Update cash flow models to include delays in refunds.
- Consult with tax advisors about restructuring high-risk transactions before law effective dates.
These measures represent a substantial shift in Australia’s approach to international taxation. Businesses operating across borders should act now to remain compliant and optimise their tax positions.