
Japan Issues Guidance on its UTPR and QDMTT Application
On January 30, 2026, Japan’s National Tax Agency issued a law implementation circular clarifying certain aspects of its UTPR and QDMTT.
• is designed to pool assets from a number of investors (some of which are unrelated);
• invests in accordance with a defined investment policy;
• allows investors to reduce transaction, research, and analytical costs, or to spread risk collectively;
• is primarily designed to generate investment income or gains, or protection against a particular or general event or outcome;
• investors have a right to return from the assets of the fund or income earned on those assets, based on the contributions made by those investors;
• it or its management is subject to a regulatory regime in the jurisdiction in which it is established or managed;
• it is managed by investment fund management professionals on behalf of the investors.
General

On January 30, 2026, Japan’s National Tax Agency issued a law implementation circular clarifying certain aspects of its UTPR and QDMTT.

In January 2026, Canada issued the filing procedures for the GIR, GMT Return and the Double Filing Relief Notification.

On January 19, 2026, South Korea issued a Draft Law to amend the Enforcement Decree to the International Tax Adjustment Act. This provides for detailed provisions for the application of the QDMTT and will also extend the Transitional CbCR Safe Harbour by 1 year (as provided in the January 2026 OECD Side-by-Side Package).

On January 19, 2026, the Hong Kong Inland Revenue Department opened its E-filing portal for the submission of Top-Up Tax Notifications

On December 31, 2025, Israel enacted Law No. Law 5776-2025 on the Minimum Corporate Tax for Multinational Groups. The enacted law contains some significant changes from the previous draft law.

On December 29, 2025, Uruguay’s President issued Decree No. 325/025, to provide for exemptions from the QDMTT for entities covered by a tax stability agreement. Note that Law N° 20446 to enact the QDMTT was published in the Official Gazette on January 8, 2026.

On December 23, 2025, Korea enacted Law number 21215 to implement the 2026 Tax Reform. This includes a QDMTT from January 1, 2026.

On January 5, 2026, the OECD Released Guidance on amendments to the Pillar 2 rules for the Side-by-Side Tax Package. This includes a new Simplified ETR Safe Harbour from December 31, 2026 (December 31, 2025 in certain cases). We provide an excel overview and a sample calculator for the key elements of the Safe Harbour calculation.

On January 5, 2026, the OECD Released Guidance on amendments to the Pillar 2 rules for the Side-by-Side Tax Package. This includes a new Substance-based Tax Incentive Safe Harbour. This online tool shows how the new safe harbour operates.
| Cookie | Duration | Description |
|---|---|---|
| cookielawinfo-checkbox-analytics | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics". |
| cookielawinfo-checkbox-functional | 11 months | The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". |
| cookielawinfo-checkbox-necessary | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary". |
| cookielawinfo-checkbox-others | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. |
| cookielawinfo-checkbox-performance | 11 months | This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance". |
| viewed_cookie_policy | 11 months | The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. |