The tax court concluded that the gain from the deemed asset sale was nonbusiness income that must be allocated under subd. 2. Clear all outstanding debts and liabilities before finalizing the sale.Use Form 4797 to report: The sale or exchange of property. The involuntary conversion of property and capital assets. A capital gain or loss is the difference between the amount the business paid for an asset and the amount received when that asset is sold. All documents must be complete and in recordable form (signed, dated and notarized). Gains from the sale of assets; Prizes and awards. The gain or loss on each asset is figured separately. The sale of capital assets results in capital gain or loss.