Questão jurídica principal
Whether the Y. building belonged to the deceased's business assets or private assets for direct federal tax 2003.
Decisão extraída
The building was business property at the time of realization; the capital gain was taxable as self-employment income under Art. 18(2) LIFD.
Fundamentação extraída
The Court relied on the link to the taxpayer's professional real-estate activity, the systematic and repeated transactions, and the significant foreign financing. Long ownership and accounting treatment did not outweigh the commercial characteristics, and no legitimate reliance was shown.