The Swiss Federal Council has announced its decision to bring the Pillar 2 income inclusion rule (IIR) into force with effect from 1 January 2025. The Swiss supplementary tax (QDMTT) has already entered into force from 1 January 2024, while the undertaxed profits rule (UTPR) will not be brought into force for the time being.

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IIR international supplementary tax to come into force in 202…