There has been confusion regarding the implications of the Tax Cuts and Jobs Act of 2017 (TCJA) Section 13301(a) on I.R.C. Section 163 Interest Expensing. Taxpayers’ interest deduction is generally limited to 30% of the adjusted taxable income plus floor plan financing interest (for dealerships). One result is that many auto dealerships will no longer be eligible for bonus depreciation. This is particularly true of many dealership operating entities. The following Decision Tree is SourceHOV’s attempt to provide clarification.