On November 19, 2025, Hungary enacted Pillar 2 amendments from the 2025 Autumn Tax Package. This includes some amendments to the operation of the Transitional CbCR Safe Harbour.

On November 14, 2025, Hungary issued a Draft Regulation (for consultation) to provide for the detailed application of the Pillar 2 Safe Harbours.

On October 15, 2025, Hungary issued the draft Advance QDMTT Tax Declaration (Form 24GLBADO) as well as filing instructions and a draft XML guide.

Section 26 of the amendment law in the 2025 Spring Tax Package (approved on June 19, 2025), amends the registration deadline to the last day of the second month following the last day of the tax year.

In December 2024, updated instructions were provided and the form is now available via the Tax Authority e-services website.

On November 15, the Hungarian Tax Authority issued draft forms for the registration notification under Article 44(1) of the Minimum Tax Act, and the appointment of a domestic filing entity under Article 3(47).

The Hungarian Autumn Tax Package has been passed by Parliament and was sent to the President for signature on November 27, 2024. This includes amendments to the GMT law, most notably registration and the QDMTT return/payment obligation.

On October 29, 2024, Hungary issued its Autumn Tax Package proposal. This included minor changes to the Pillar Two law. Most notably it expanded on the registration requirements.