Linking employee Vehicle Horsepower to iExpense mileage calculation

Hi Experts,

We have a requirement in iExpense Mileage calculation, where we have to store the employee vehicle horsepower in ebs and link this information to the iexpense mileage calculation.

The employee vehicle details will be stored in oracle HR employee record or any lookup by the accounting department and employee wont be having the access to update the record.

When the employee creates the expense report for mileage reimbursement, the application should cross validate the vehicle horsepower employee has selected to claim the mileage expense and shouldn't allow the employee to claim the mileage expense  in case the vehicle horsepower employee has selected doesn't match with the vehicle horsepower stored in EBS.