As a small business owner you need to consider the following IRS reading list pertaining to the acquisition and disposition of property:
IRS Pub 544 – Sales and Other Dispositions of Assets
IRS Pub 547 – Casualties, Disasters, and Thefts (Business and Nonbusiness)
IRS Pub 551 – Basis of Assets
IRS Pub 552 – Recordkeeping for Individuals
You may want to reference instructions for IRS Form 4797 – Sales of Business Property, IRS Form 8594 – Asset Acquisition Statement Under Section 1060, IRS Form 8824 – Like-Kind Exchanges, and IRS Form 8949 – Sales and Other Dispositions of Property. Also consider barter exchange transactions.