Can I deduct my boat trailer registration fee? If so on what form?

[JulieS]

If your boat trailer registration includes a deductible personal property tax and you itemize your deductions, you can deduct the personal property tax paid. 

The TurboTax article refers to cars, but trailers for on road use are treated the same way. 

Click here to see which states include deductible personal property tax in their vehicle registratio...

If your registration tax is deductible in your state, you can enter the amount here:

1. Select Federal.
2. Select Deductions and Credits toward the top center.
3. Scroll down or expand the list to find Cars and Other Things You Own.
4. Expand the section and click Start to the right of Car Registration Fees.
5. Answer the first question Yes and enter your fees on the next screen. 
6. If you have more than one vehicle, click +Add another row to add another vehicle.