How the DGT's position has evolved
Current position
For the deduction of passenger vehicle expenses, these must be assets used for business purposes. In the case of passenger cars, partial allocation for accessory use for private needs is not permitted; if private use exists, the vehicle is not considered used for business purposes and no expense deduction is allowed.
The DGT's position on the allocation of vehicles has moved from allowing deductions in cases of accessory use for commercial agents (V0758-20) to a restrictive stance. Currently, exclusive use for business purposes is required, prohibiting the deduction of expenses if the vehicle has private use (V0346-23).
Turning points
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Allows private use for commercial agents to be considered accessory and notoriously irrelevant if it occurs on non-working days or hours.
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Establishes that partial allocation for accessory use for private needs is not permitted, preventing the deduction of expenses if there is private use.
Analysis based on 61 of 68 rulings with a stated position. Updated 21 September 2026.