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. When looking at form 4797, it put the sale price of the piece of equipment as a gain on sell of asset.Section 179 allows eligible businesses to deduct the full purchase price of qualifying equipment in the year it was put into service. When you dispose of an asset with a section 179 expense deduction, the disposition isn't included on Form 4684, 4797, 6252, or 8824. This item addresses how S corporations and partnerships that have a Sec. 179 recapture event should report the event to their owners. Section 179 deduction dollar limits.