Two Swiss companies, A GmbH und B GmbH, belonged to a multinational group under a Dutch parent. The group provided food and fuel to military troops and civilian in areas of crises and armed conflicts. A group company located in the United Arab Emirates provided services to the Swiss companies primarily in relation to activities in Afghanistan.
A GmbH und B GmbH had a permanent establishment in Afghanistan. As there are no tax treaties between Switzerland and Afghanistan, for Swiss tax purposes the allocation of income between the two companies and the permanent establishment in Afghanistan was governed by Swiss domestic law.
A tax assessment was issued by the authorities which was brought to the Swiss courts by the companies. In 2018 the case ended up in the Swiss Supreme Court.
The Supreme Court ruled that according to Swiss law, the profit allocation has to start from the total global income of the companies. Hence, the assessment was partially incorrect, as taxable profit in Switzerland had been calculated without taking into account foreign profit or losses.
The the case was remanded to the lower court for further consideration.
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