
Mauritius issues Detailed QDMTT Regulations
On August 8, 2026, Mauritius issued its QDMTT regulations to implement its QDMTT.
Article 2.10 of the February 2023 OECD Administrative Guidance provides more information on the treatment of the US Global Intangible Low-Taxed Income (GILTI) regime.
This is to be treated as a blended CFC Regime for GloBE purposes. Under the GloBE Rules CFC taxes are allocated to the foreign CFC (subject to the push down restriction). The GloBE Commentary doesn’t go into detail on the allocation and just provides that the CFC tax should be allocated to each CFC based on the owner’s share of the underlying income.
However, determining the allocation can be tricky when there is a blended CFC regime.
The December 2023 OECD Administrative Guidance provides additional information on the application of the Blended CFC rules, including:
– where an MNE Group calculates multiple GloBE Jurisdictional ETRs for different types of Entities located in the same jurisdiction (eg a separate GloBE ETR for investment entities or JVs),
– where an MNE Group is not required to calculate an ETR as they claim the Transitional CbCR Safe Harbour or the QDMTT Safe Harbour, or if the De Minimis exclusion applies
– where a Constituent Entity is subject to a Blended CFC Tax Regime on the income of non-GloBE Entities.
SubCo1: 20,000/520,000 * 1.5 million = 57,692 euros
SubCo2: No Allocation
SubCo3: 500,000/520,000 * 1.5 million = 1,442,308 euros
Subsco1CE: 15,000/520,000 * 1.5 million = 43,269 euros
SubCo2: No Allocation
SubCo3: 500,000/520,000 * 1.5 million = 1,442,308 euros

On August 8, 2026, Mauritius issued its QDMTT regulations to implement its QDMTT.

On 3 August 2026, Korea’s Ministry of Finance and Economy released its 2026 Tax Reform Proposal. Among its international tax measures are proposed amendments intended to implement significant elements of the OECD/G20 Inclusive Framework’s January 2026 Pillar Two Side-by-Side Package.

Decision No. 12 of 2026 introduces a seven-month registration period, transitional deadlines and a five-year notification regime for UAE entities within the domestic minimum top-up tax framework.

Qatar’s General Tax Authority (GTA) activated its Global and Domestic Minimum Tax registration service through the Dhareeba tax platform on 2 August 2026.

On 30 July 2026, the Portuguese Government published Portaria No. 318/2026/1, approving Model 64 – the Pillar Two Top-up Tax Return – and its accompanying completion instructions. The Ministerial Order entered into force and took effect on 31 July 2026.

Analysis of the domestic implementation of the Pillar Two Global Minimum Tax rules in Monaco for accounting periods beginning on or after December 31, 2026.

Monaco has published draft legislation introducing a Qualified Domestic Minimum Top-up Tax (QDMTT) for multinational enterprise groups. The measure is contained in Bill No. 1129 on the minimum taxation of multinational enterprise groups, dated 14 July 2026 and received by Monaco’s Conseil National on 28 July 2026.

On July 23, 2026, Canada has released a proposed targeted amendment to its Global Minimum Tax Act that would broaden the circumstances in which an intra-group financing or investment arrangement must be neutralised when applying the transitional Country-by-Country Reporting (“CbCR”) safe harbour.

On July 17, 2026, Bill No. 8795 was deposited in the Luxembourg Chamber of Deputies. This would implement the OECD’s January 2026 Side-by-Side package, introduce the permanent Simplified ETR Safe Harbour and extend the Transitional CbCR Safe Harbour.
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