A purchaser of the assets of a business will be liable for any unpaid sales tax of the seller, as well as any accrued interest and penalties related thereto. You will need to allocate the amount reflected on form 8594 among all the assets.A typical method is to allocate the proceeds based on the original cost. Form 8594 is a tax document required in certain business sales where the buyer acquires assets rather than stock or equity. When selling or otherwise disposing of a plant asset, a firm must record the depreciation up to the date of sale or disposal. ACCT-1011 Business Math Applications. Storage of tangible personal property (except such property that the consumer of the storage holds for sale in the regular course of business). A business usually has many assets. When we're talking about the gain or loss of the sale of an asset we need to be looking at net book value at the time of the sale.