With 2018 bringing the most sweeping changes to the U.S. Tax Code in a generation, there's still a lot of uncertainty and confusion heading into year-end and the beginning of tax season. While some of the details of the Tax Cuts & Jobs Act are still being finalized as the IRS updates forms for 2018 taxes, there's still a lot that we do know - including some big changes for small and mid-sized businesses and business owners.

This guide details the six largest changes that small and mid-sized businesses should be aware of as they make the shift to tax planning and preparation under the TCJA.