The 2017 Tax Cuts and Jobs Act (TCJA) impacts tax planning and liability, with Section 199A being a significant change for pass-through businesses, which pass income and expenses to owners without paying corporate tax. This course covers the Section 199A Pass-Through Deduction, including calculations for business owners below and above the income threshold, and for specified service trades or businesses (SSTBs), examining which businesses qualify as SSTBs.