"Where and how do I enter amortization of Leasehold Improvements in TurboTax Business"
In the 1065, 1120, and 1120-S modules, click the Federal Taxes tab, then click Deductions, and then click the Start button under Depreciation of Assets (see first screenshot).
Proceed through the Step-by-Step screens and then select Other in the Describe This Asset section (see second screenshot).
In the 1041 module, you have to enter Forms Mode and enter the improvement directly on the Federal Asset Entry Worksheet.
