I need to write off a horse and saddle for my taxes that I purchased for my job

[amamaral1967]

What turbo tax form do I use

[DoninGA]

If you are self-employed you enter those as an expenses which go on your Schedule C.

If you are a W-2 employee then none of your employee business expenses are entered on a federal tax return due to the tax code changes in effect for tax years 2018 thru 2025.