Vehicle depreciation

In order to correct the depreciation on your vehicle, you would need to Amend Your Return from 2023.  Was there a reason for the $14,000 deduction?  I would check with her to be sure that there wasn't prior to making the correction.

Additionally, a van is depreciated over 5 years not 7 years so the deprecation would be higher than the $8,564 if you are using the straight-line method. 

5-year property.

• Automobiles, taxis, buses, and trucks.
• Any qualified technological equipment.
• Office machinery (such as typewriters, calculators, and copiers).
• Any property used in research and experimentation.
• Breeding cattle and dairy cattle.
• Appliances, carpets, furniture, etc., used in a residential rental real estate activity.
• Certain geothermal, solar, and wind energy property.
• Any machinery equipment (other than any grain bin, cotton ginning asset, fence, or other land improvement) used in a farming business and placed in service after 2017, in tax years ending after 2017. The original use of the property must begin with you after 2017.

7-year property.

• Office furniture and fixtures (such as desks, files, and safes).
• Used agricultural machinery and equipment placed in service after 2017, grain bins, cotton ginning assets, or fences used in a farming business (but no other land improvements).
• Railroad track.
• Any property that does not have a class life and has not been designated by law as being in any other class.
• Certain motorsports entertainment complex property (defined later).
• Any natural gas gathering line placed in service after April 11, 2005. See Natural gas gathering line and electric transmission property, later.