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Specialist information

2026

  • 28 May 2026

    Switzerland and Finland sign protocol of amendment to double taxation agreement

    On 28 May 2026 in Helsinki, Switzerland and Finland signed a protocol amending the double taxation agreement (DTA) on income tax. This protocol implements the minimum standards for double taxation agreements.

  • 30 July 2026

    Switzerland and Austria sign protocol of amendment to double taxation agreement

    On 30 July 2026 in Vienna, Switzerland and Austria signed a protocol amending the agreement for the avoidance of double taxation (DTA) with respect to taxes on income and capital. The protocol implements the minimum standards set out in the agreement for double taxation and makes specific adjustments to the DTA to bring it into line with the changing needs of the contracting states since the last revision, which was carried out under the 2009 protocol of amendment.

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