How to link an expense to a customer?

Go to the Expenses tab from the left-hand navigation pane in the Car and Van Rental Software.
Click on Manage Expense and select Add New Expense from the dropdown
Select the asset type as Vehicle/Addon.
Search for or select the vehicle by entering its registration number.
Enter the date of the expense.
From the expense type dropdown menu, choose the appropriate expense type.
Enter the additional details required as per your expense type.
If needed, add optional information such as the fuel card number, driver details, and upload any supporting documents like receipts.
Select the checkbox labeled “Do you want to add customer details?”.
Choose the customer type, either Individual or Business.
Search for the customer by name in the Search for Customer field and select the correct record.
Click Save to store the expense. The fuel expense will be successfully recorded and linked to the selected customer.