A Form 4562 Depreciation and Amortization would only be included with your tax return if you have entered an Asset that you placed in service during the current tax year. Or if you are reporting the business use of a vehicle for the current tax year on page 2 of the form.
A Depreciation and Amortization report is generated each tax year that you use TurboTax which lists all assets for the business or rental property that you have entered.
For tax year 2017 you will need to download the PDF of your return from Print Center to include all forms and worksheets.
To access your current online tax returns sign onto the TurboTax website with the userID you used to create the account - https://myturbotax.intuit.com/
Scroll down to the bottom of the screen and Click on Add a state
Click on Tax Tools on the left side of the online program screen. Then click on Print Center. Then click on Print, save or preview this year's return. Choose the option Include government and TurboTax worksheets
