Questione giuridica chiave
Whether X.________ remained tax resident and thus unconditionally taxable in Remetschwil after April 2003
Decisione estratta
Yes. His center of life and tax residence remained in Remetschwil under domestic law.
Motivazione estratta
He kept his home in Remetschwil, maintained important personal ties there, continued some work in Switzerland, and his stay in Singapore was planned as temporary.