Questione giuridica chiave
Where is the taxpayer's tax domicile for intercantonal tax purposes from tax year 2004 onward?
Decisione estratta
The taxpayer's tax domicile lies in Basel-Stadt from the 2004 tax year onward.
Motivazione estratta
Although the taxpayer returned regularly to his parents' home in Valais and helped on the family farm, his long-standing employment, apartment, and likely social ties in Basel-Stadt outweighed the links to Valais.