If your organisation uses company cars with fuel cards, business mileage claims are raised to track mileage rather than to reclaim money, i.e. the fuel cost has already been covered. To prevent the claim amount from being passed to your accounting software, you need to exclude the Business Mileage category from export. This also reduces the claim amount to zero.
To do this:
Go to Setup > Categories.
Click the Edit icon on the Business Mileage record.
Select Exclude from Export.
Click Save.
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See also XX.