On December 31, 2024, Law No. 20612, was published to amend the International Tax Adjustment Act for the 2025 Tax Reform provisions. This includes some amendments to the Global Minimum Tax provisions.

On July 25, 2024, the Ministry of Economy and Finance issued the 2024 Tax Law Amendment Bill. This includes a number of amendments to the South Korean global minimum tax law to reflect aspects of the OECD Administrative Guidance.

On March 22, 2024, the Decree of the Ministry of Economy and Finance No. 1048, to amend the Enforcement Regulations of the International Tax Adjustment Act entered into force.

On March 22, 2024, the Enforcement Regulations to the International Tax Adjustment Act were amended. This includes attachments for the GIR (in English and Korean), the GloBE Tax Return and the Notification Form for a Foreign CE to File the GIR.