You should file this schedule only if you reported gains from the disposition of property acquired before August 1, 1969, as shown on. You (or the purchaser or transferee) must complete Form CBS-1, Notice of Sale, Purchase, or Transfer of Business Assets.Form 4797 is used to report the details of gains and losses from the sale, exchange, involuntary conversion, or disposition of certain business When the company itself is sold, the result may be capital gains to the shareholders. When only assets are sold, the income is attributed to the company. Discover the Illinois capital gains tax and its rates in 2024. Learn about some tax planning strategies to reduce your capital gains taxes. After the seller has properly allocated the sales price of the different assets, the gain or loss is computed as if each of the assets had been sold separately. When selling a business in Illinois, common tax implications include capital gains tax on the sale of business assets and potential state taxes. In an asset sale, the new owner purchases the business's physical assets.